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Finding the Fourth Proportional to 3,059.96, 4,590.72 and 1,113.80

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Solution

The fourth proportional to 3,059.96, 4,590.72 and 1,113.80 is: 1,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.96 : 4,590.72 = 1,113.80 : x
  2. Step 2: Convert to fraction form
    3,059.96/4,590.72 = 1,113.80/x
  3. Step 3: Cross multiply
    3,059.96x = 4,590.72 × 1,113.80
  4. Step 4: Simplify right side
    3,059.96x = 5,113,143.94
  5. Step 5: Solve for x
    x = 5,113,143.94/3,059.96
  6. Step 6: Final answer
    x = 1,670.98

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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.