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Finding the Fourth Proportional to 1,576.47, 2,366.34 and 999.75

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Solution

The fourth proportional to 1,576.47, 2,366.34 and 999.75 is: 1,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.47 : 2,366.34 = 999.75 : x
  2. Step 2: Convert to fraction form
    1,576.47/2,366.34 = 999.75/x
  3. Step 3: Cross multiply
    1,576.47x = 2,366.34 × 999.75
  4. Step 4: Simplify right side
    1,576.47x = 2,365,748.42
  5. Step 5: Solve for x
    x = 2,365,748.42/1,576.47
  6. Step 6: Final answer
    x = 1,500.66

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1.5x scale

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.