Home / 2,909.59-4,015.27-1,583.30

Finding the Fourth Proportional to 2,909.59, 4,015.27 and 1,583.30

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Solution

The fourth proportional to 2,909.59, 4,015.27 and 1,583.30 is: 2,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.59 : 4,015.27 = 1,583.30 : x
  2. Step 2: Convert to fraction form
    2,909.59/4,015.27 = 1,583.30/x
  3. Step 3: Cross multiply
    2,909.59x = 4,015.27 × 1,583.30
  4. Step 4: Simplify right side
    2,909.59x = 6,357,356.91
  5. Step 5: Solve for x
    x = 6,357,356.91/2,909.59
  6. Step 6: Final answer
    x = 2,184.97

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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.