Home / 2,575.19-3,861.57-1,113.75

Finding the Fourth Proportional to 2,575.19, 3,861.57 and 1,113.75

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Solution

The fourth proportional to 2,575.19, 3,861.57 and 1,113.75 is: 1,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.19 : 3,861.57 = 1,113.75 : x
  2. Step 2: Convert to fraction form
    2,575.19/3,861.57 = 1,113.75/x
  3. Step 3: Cross multiply
    2,575.19x = 3,861.57 × 1,113.75
  4. Step 4: Simplify right side
    2,575.19x = 4,300,827.76
  5. Step 5: Solve for x
    x = 4,300,827.76/2,575.19
  6. Step 6: Final answer
    x = 1,670.10

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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.