Home / 3,501.69-5,249.57-1,423.14

Finding the Fourth Proportional to 3,501.69, 5,249.57 and 1,423.14

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Solution

The fourth proportional to 3,501.69, 5,249.57 and 1,423.14 is: 2,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.69 : 5,249.57 = 1,423.14 : x
  2. Step 2: Convert to fraction form
    3,501.69/5,249.57 = 1,423.14/x
  3. Step 3: Cross multiply
    3,501.69x = 5,249.57 × 1,423.14
  4. Step 4: Simplify right side
    3,501.69x = 7,470,865.93
  5. Step 5: Solve for x
    x = 7,470,865.93/3,501.69
  6. Step 6: Final answer
    x = 2,133.50

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Half scale
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Double scale
Find fourth proportional to 3,502.69, 5,251.06 and 1,424.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.