Home / 2,149.17-2,966.45-1,558.59

Finding the Fourth Proportional to 2,149.17, 2,966.45 and 1,558.59

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Solution

The fourth proportional to 2,149.17, 2,966.45 and 1,558.59 is: 2,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.17 : 2,966.45 = 1,558.59 : x
  2. Step 2: Convert to fraction form
    2,149.17/2,966.45 = 1,558.59/x
  3. Step 3: Cross multiply
    2,149.17x = 2,966.45 × 1,558.59
  4. Step 4: Simplify right side
    2,149.17x = 4,623,479.31
  5. Step 5: Solve for x
    x = 4,623,479.31/2,149.17
  6. Step 6: Final answer
    x = 2,151.29

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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.