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Finding the Fourth Proportional to 1,632.59, 2,448.53 and 462.57

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Solution

The fourth proportional to 1,632.59, 2,448.53 and 462.57 is: 693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.59 : 2,448.53 = 462.57 : x
  2. Step 2: Convert to fraction form
    1,632.59/2,448.53 = 462.57/x
  3. Step 3: Cross multiply
    1,632.59x = 2,448.53 × 462.57
  4. Step 4: Simplify right side
    1,632.59x = 1,132,615.67
  5. Step 5: Solve for x
    x = 1,132,615.67/1,632.59
  6. Step 6: Final answer
    x = 693.75

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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.