Home / 2,927.20-4,039.55-1,600.91

Finding the Fourth Proportional to 2,927.20, 4,039.55 and 1,600.91

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Solution

The fourth proportional to 2,927.20, 4,039.55 and 1,600.91 is: 2,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.20 : 4,039.55 = 1,600.91 : x
  2. Step 2: Convert to fraction form
    2,927.20/4,039.55 = 1,600.91/x
  3. Step 3: Cross multiply
    2,927.20x = 4,039.55 × 1,600.91
  4. Step 4: Simplify right side
    2,927.20x = 6,466,932.84
  5. Step 5: Solve for x
    x = 6,466,932.84/2,927.20
  6. Step 6: Final answer
    x = 2,209.25

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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.