Home / 3,061.48-4,588.44-1,415.76

Finding the Fourth Proportional to 3,061.48, 4,588.44 and 1,415.76

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Solution

The fourth proportional to 3,061.48, 4,588.44 and 1,415.76 is: 2,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.48 : 4,588.44 = 1,415.76 : x
  2. Step 2: Convert to fraction form
    3,061.48/4,588.44 = 1,415.76/x
  3. Step 3: Cross multiply
    3,061.48x = 4,588.44 × 1,415.76
  4. Step 4: Simplify right side
    3,061.48x = 6,496,129.81
  5. Step 5: Solve for x
    x = 6,496,129.81/3,061.48
  6. Step 6: Final answer
    x = 2,121.89

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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.