Home / 2,830.10-4,245.15-1,598.55

Finding the Fourth Proportional to 2,830.10, 4,245.15 and 1,598.55

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Solution

The fourth proportional to 2,830.10, 4,245.15 and 1,598.55 is: 2,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.10 : 4,245.15 = 1,598.55 : x
  2. Step 2: Convert to fraction form
    2,830.10/4,245.15 = 1,598.55/x
  3. Step 3: Cross multiply
    2,830.10x = 4,245.15 × 1,598.55
  4. Step 4: Simplify right side
    2,830.10x = 6,786,090.53
  5. Step 5: Solve for x
    x = 6,786,090.53/2,830.10
  6. Step 6: Final answer
    x = 2,397.83

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Similar ratio
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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.