Home / 1,527.24-2,291.21-487.10

Finding the Fourth Proportional to 1,527.24, 2,291.21 and 487.10

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Solution

The fourth proportional to 1,527.24, 2,291.21 and 487.10 is: 730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.24 : 2,291.21 = 487.10 : x
  2. Step 2: Convert to fraction form
    1,527.24/2,291.21 = 487.10/x
  3. Step 3: Cross multiply
    1,527.24x = 2,291.21 × 487.10
  4. Step 4: Simplify right side
    1,527.24x = 1,116,034.50
  5. Step 5: Solve for x
    x = 1,116,034.50/1,527.24
  6. Step 6: Final answer
    x = 730.75

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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.