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Finding the Fourth Proportional to 1,362.53, 2,043.80 and 632.01

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Solution

The fourth proportional to 1,362.53, 2,043.80 and 632.01 is: 948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.53 : 2,043.80 = 632.01 : x
  2. Step 2: Convert to fraction form
    1,362.53/2,043.80 = 632.01/x
  3. Step 3: Cross multiply
    1,362.53x = 2,043.80 × 632.01
  4. Step 4: Simplify right side
    1,362.53x = 1,291,702.04
  5. Step 5: Solve for x
    x = 1,291,702.04/1,362.53
  6. Step 6: Final answer
    x = 948.02

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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.