Home / 2,245.79-3,368.68-1,013.55

Finding the Fourth Proportional to 2,245.79, 3,368.68 and 1,013.55

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Solution

The fourth proportional to 2,245.79, 3,368.68 and 1,013.55 is: 1,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.79 : 3,368.68 = 1,013.55 : x
  2. Step 2: Convert to fraction form
    2,245.79/3,368.68 = 1,013.55/x
  3. Step 3: Cross multiply
    2,245.79x = 3,368.68 × 1,013.55
  4. Step 4: Simplify right side
    2,245.79x = 3,414,325.61
  5. Step 5: Solve for x
    x = 3,414,325.61/2,245.79
  6. Step 6: Final answer
    x = 1,520.32

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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.