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Finding the Fourth Proportional to 1,049.15, 1,573.73 and 587.40

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Solution

The fourth proportional to 1,049.15, 1,573.73 and 587.40 is: 881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.15 : 1,573.73 = 587.40 : x
  2. Step 2: Convert to fraction form
    1,049.15/1,573.73 = 587.40/x
  3. Step 3: Cross multiply
    1,049.15x = 1,573.73 × 587.40
  4. Step 4: Simplify right side
    1,049.15x = 924,411.22
  5. Step 5: Solve for x
    x = 924,411.22/1,049.15
  6. Step 6: Final answer
    x = 881.10

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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.