Home / 1,576.59-2,174.93-1,224.86

Finding the Fourth Proportional to 1,576.59, 2,174.93 and 1,224.86

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Solution

The fourth proportional to 1,576.59, 2,174.93 and 1,224.86 is: 1,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.59 : 2,174.93 = 1,224.86 : x
  2. Step 2: Convert to fraction form
    1,576.59/2,174.93 = 1,224.86/x
  3. Step 3: Cross multiply
    1,576.59x = 2,174.93 × 1,224.86
  4. Step 4: Simplify right side
    1,576.59x = 2,663,967.76
  5. Step 5: Solve for x
    x = 2,663,967.76/1,576.59
  6. Step 6: Final answer
    x = 1,689.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.