Home / 2,927.40-4,039.69-1,601.15

Finding the Fourth Proportional to 2,927.40, 4,039.69 and 1,601.15

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Solution

The fourth proportional to 2,927.40, 4,039.69 and 1,601.15 is: 2,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.40 : 4,039.69 = 1,601.15 : x
  2. Step 2: Convert to fraction form
    2,927.40/4,039.69 = 1,601.15/x
  3. Step 3: Cross multiply
    2,927.40x = 4,039.69 × 1,601.15
  4. Step 4: Simplify right side
    2,927.40x = 6,468,149.64
  5. Step 5: Solve for x
    x = 6,468,149.64/2,927.40
  6. Step 6: Final answer
    x = 2,209.52

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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.