Home / 2,587.10-3,569.69-1,789.18

Finding the Fourth Proportional to 2,587.10, 3,569.69 and 1,789.18

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Solution

The fourth proportional to 2,587.10, 3,569.69 and 1,789.18 is: 2,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.10 : 3,569.69 = 1,789.18 : x
  2. Step 2: Convert to fraction form
    2,587.10/3,569.69 = 1,789.18/x
  3. Step 3: Cross multiply
    2,587.10x = 3,569.69 × 1,789.18
  4. Step 4: Simplify right side
    2,587.10x = 6,386,803.44
  5. Step 5: Solve for x
    x = 6,386,803.44/2,587.10
  6. Step 6: Final answer
    x = 2,468.72

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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.