Home / 2,279.79-3,432.08-1,635.03

Finding the Fourth Proportional to 2,279.79, 3,432.08 and 1,635.03

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Solution

The fourth proportional to 2,279.79, 3,432.08 and 1,635.03 is: 2,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.79 : 3,432.08 = 1,635.03 : x
  2. Step 2: Convert to fraction form
    2,279.79/3,432.08 = 1,635.03/x
  3. Step 3: Cross multiply
    2,279.79x = 3,432.08 × 1,635.03
  4. Step 4: Simplify right side
    2,279.79x = 5,611,557.85
  5. Step 5: Solve for x
    x = 5,611,557.85/2,279.79
  6. Step 6: Final answer
    x = 2,461.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.