Home / 3,085.34-4,248.43-2,587.12

Finding the Fourth Proportional to 3,085.34, 4,248.43 and 2,587.12

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Solution

The fourth proportional to 3,085.34, 4,248.43 and 2,587.12 is: 3,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.34 : 4,248.43 = 2,587.12 : x
  2. Step 2: Convert to fraction form
    3,085.34/4,248.43 = 2,587.12/x
  3. Step 3: Cross multiply
    3,085.34x = 4,248.43 × 2,587.12
  4. Step 4: Simplify right side
    3,085.34x = 10,991,181.13
  5. Step 5: Solve for x
    x = 10,991,181.13/3,085.34
  6. Step 6: Final answer
    x = 3,562.39

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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.