Home / 2,587.44-3,568.68-1,539.30

Finding the Fourth Proportional to 2,587.44, 3,568.68 and 1,539.30

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Solution

The fourth proportional to 2,587.44, 3,568.68 and 1,539.30 is: 2,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.44 : 3,568.68 = 1,539.30 : x
  2. Step 2: Convert to fraction form
    2,587.44/3,568.68 = 1,539.30/x
  3. Step 3: Cross multiply
    2,587.44x = 3,568.68 × 1,539.30
  4. Step 4: Simplify right side
    2,587.44x = 5,493,269.12
  5. Step 5: Solve for x
    x = 5,493,269.12/2,587.44
  6. Step 6: Final answer
    x = 2,123.05

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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.