Home / 3,328.88-4,593.85-1,931.90

Finding the Fourth Proportional to 3,328.88, 4,593.85 and 1,931.90

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Solution

The fourth proportional to 3,328.88, 4,593.85 and 1,931.90 is: 2,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.88 : 4,593.85 = 1,931.90 : x
  2. Step 2: Convert to fraction form
    3,328.88/4,593.85 = 1,931.90/x
  3. Step 3: Cross multiply
    3,328.88x = 4,593.85 × 1,931.90
  4. Step 4: Simplify right side
    3,328.88x = 8,874,831.02
  5. Step 5: Solve for x
    x = 8,874,831.02/3,328.88
  6. Step 6: Final answer
    x = 2,666.02

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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.