Home / 3,347.24-4,619.33-1,931.13

Finding the Fourth Proportional to 3,347.24, 4,619.33 and 1,931.13

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Solution

The fourth proportional to 3,347.24, 4,619.33 and 1,931.13 is: 2,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.24 : 4,619.33 = 1,931.13 : x
  2. Step 2: Convert to fraction form
    3,347.24/4,619.33 = 1,931.13/x
  3. Step 3: Cross multiply
    3,347.24x = 4,619.33 × 1,931.13
  4. Step 4: Simplify right side
    3,347.24x = 8,920,517.09
  5. Step 5: Solve for x
    x = 8,920,517.09/3,347.24
  6. Step 6: Final answer
    x = 2,665.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.