Home / 2,588.30-3,572.14-1,540.36

Finding the Fourth Proportional to 2,588.30, 3,572.14 and 1,540.36

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Solution

The fourth proportional to 2,588.30, 3,572.14 and 1,540.36 is: 2,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.30 : 3,572.14 = 1,540.36 : x
  2. Step 2: Convert to fraction form
    2,588.30/3,572.14 = 1,540.36/x
  3. Step 3: Cross multiply
    2,588.30x = 3,572.14 × 1,540.36
  4. Step 4: Simplify right side
    2,588.30x = 5,502,363.71
  5. Step 5: Solve for x
    x = 5,502,363.71/2,588.30
  6. Step 6: Final answer
    x = 2,125.86

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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.