Home / 3,177.29-4,384.32-2,586.80

Finding the Fourth Proportional to 3,177.29, 4,384.32 and 2,586.80

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Solution

The fourth proportional to 3,177.29, 4,384.32 and 2,586.80 is: 3,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.29 : 4,384.32 = 2,586.80 : x
  2. Step 2: Convert to fraction form
    3,177.29/4,384.32 = 2,586.80/x
  3. Step 3: Cross multiply
    3,177.29x = 4,384.32 × 2,586.80
  4. Step 4: Simplify right side
    3,177.29x = 11,341,358.98
  5. Step 5: Solve for x
    x = 11,341,358.98/3,177.29
  6. Step 6: Final answer
    x = 3,569.51

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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.