Home / 3,549.08-5,325.34-2,515.72

Finding the Fourth Proportional to 3,549.08, 5,325.34 and 2,515.72

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Solution

The fourth proportional to 3,549.08, 5,325.34 and 2,515.72 is: 3,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.08 : 5,325.34 = 2,515.72 : x
  2. Step 2: Convert to fraction form
    3,549.08/5,325.34 = 2,515.72/x
  3. Step 3: Cross multiply
    3,549.08x = 5,325.34 × 2,515.72
  4. Step 4: Simplify right side
    3,549.08x = 13,397,064.34
  5. Step 5: Solve for x
    x = 13,397,064.34/3,549.08
  6. Step 6: Final answer
    x = 3,774.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.