Home / 3,501.56-5,253.39-1,421.17

Finding the Fourth Proportional to 3,501.56, 5,253.39 and 1,421.17

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Solution

The fourth proportional to 3,501.56, 5,253.39 and 1,421.17 is: 2,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.56 : 5,253.39 = 1,421.17 : x
  2. Step 2: Convert to fraction form
    3,501.56/5,253.39 = 1,421.17/x
  3. Step 3: Cross multiply
    3,501.56x = 5,253.39 × 1,421.17
  4. Step 4: Simplify right side
    3,501.56x = 7,465,947.13
  5. Step 5: Solve for x
    x = 7,465,947.13/3,501.56
  6. Step 6: Final answer
    x = 2,132.18

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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.