Home / 2,582.10-3,562.20-1,587.06

Finding the Fourth Proportional to 2,582.10, 3,562.20 and 1,587.06

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Solution

The fourth proportional to 2,582.10, 3,562.20 and 1,587.06 is: 2,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.10 : 3,562.20 = 1,587.06 : x
  2. Step 2: Convert to fraction form
    2,582.10/3,562.20 = 1,587.06/x
  3. Step 3: Cross multiply
    2,582.10x = 3,562.20 × 1,587.06
  4. Step 4: Simplify right side
    2,582.10x = 5,653,425.13
  5. Step 5: Solve for x
    x = 5,653,425.13/2,582.10
  6. Step 6: Final answer
    x = 2,189.47

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1.5x scale

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.