Home / 2,927.14-4,039.50-1,600.78

Finding the Fourth Proportional to 2,927.14, 4,039.50 and 1,600.78

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Solution

The fourth proportional to 2,927.14, 4,039.50 and 1,600.78 is: 2,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.14 : 4,039.50 = 1,600.78 : x
  2. Step 2: Convert to fraction form
    2,927.14/4,039.50 = 1,600.78/x
  3. Step 3: Cross multiply
    2,927.14x = 4,039.50 × 1,600.78
  4. Step 4: Simplify right side
    2,927.14x = 6,466,350.81
  5. Step 5: Solve for x
    x = 6,466,350.81/2,927.14
  6. Step 6: Final answer
    x = 2,209.10

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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.