Home / 1,582.74-2,374.44-487.08

Finding the Fourth Proportional to 1,582.74, 2,374.44 and 487.08

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Solution

The fourth proportional to 1,582.74, 2,374.44 and 487.08 is: 730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.74 : 2,374.44 = 487.08 : x
  2. Step 2: Convert to fraction form
    1,582.74/2,374.44 = 487.08/x
  3. Step 3: Cross multiply
    1,582.74x = 2,374.44 × 487.08
  4. Step 4: Simplify right side
    1,582.74x = 1,156,542.24
  5. Step 5: Solve for x
    x = 1,156,542.24/1,582.74
  6. Step 6: Final answer
    x = 730.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.