Home / 3,328.71-4,593.57-1,931.46

Finding the Fourth Proportional to 3,328.71, 4,593.57 and 1,931.46

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Solution

The fourth proportional to 3,328.71, 4,593.57 and 1,931.46 is: 2,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.71 : 4,593.57 = 1,931.46 : x
  2. Step 2: Convert to fraction form
    3,328.71/4,593.57 = 1,931.46/x
  3. Step 3: Cross multiply
    3,328.71x = 4,593.57 × 1,931.46
  4. Step 4: Simplify right side
    3,328.71x = 8,872,296.71
  5. Step 5: Solve for x
    x = 8,872,296.71/3,328.71
  6. Step 6: Final answer
    x = 2,665.39

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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.