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Finding the Fourth Proportional to 1,737.65, 2,606.48 and 871.76

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Solution

The fourth proportional to 1,737.65, 2,606.48 and 871.76 is: 1,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.65 : 2,606.48 = 871.76 : x
  2. Step 2: Convert to fraction form
    1,737.65/2,606.48 = 871.76/x
  3. Step 3: Cross multiply
    1,737.65x = 2,606.48 × 871.76
  4. Step 4: Simplify right side
    1,737.65x = 2,272,225.00
  5. Step 5: Solve for x
    x = 2,272,225.00/1,737.65
  6. Step 6: Final answer
    x = 1,307.64

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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.