Home / 2,319.93-3,478.05-1,149.10

Finding the Fourth Proportional to 2,319.93, 3,478.05 and 1,149.10

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Solution

The fourth proportional to 2,319.93, 3,478.05 and 1,149.10 is: 1,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.93 : 3,478.05 = 1,149.10 : x
  2. Step 2: Convert to fraction form
    2,319.93/3,478.05 = 1,149.10/x
  3. Step 3: Cross multiply
    2,319.93x = 3,478.05 × 1,149.10
  4. Step 4: Simplify right side
    2,319.93x = 3,996,627.26
  5. Step 5: Solve for x
    x = 3,996,627.26/2,319.93
  6. Step 6: Final answer
    x = 1,722.74

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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.