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Finding the Fourth Proportional to 2,991.47, 4,483.04 and 1,527.53

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Solution

The fourth proportional to 2,991.47, 4,483.04 and 1,527.53 is: 2,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.47 : 4,483.04 = 1,527.53 : x
  2. Step 2: Convert to fraction form
    2,991.47/4,483.04 = 1,527.53/x
  3. Step 3: Cross multiply
    2,991.47x = 4,483.04 × 1,527.53
  4. Step 4: Simplify right side
    2,991.47x = 6,847,948.04
  5. Step 5: Solve for x
    x = 6,847,948.04/2,991.47
  6. Step 6: Final answer
    x = 2,289.16

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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.