Home / 1,452.10-2,166.61-1,260.10

Finding the Fourth Proportional to 1,452.10, 2,166.61 and 1,260.10

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Solution

The fourth proportional to 1,452.10, 2,166.61 and 1,260.10 is: 1,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.10 : 2,166.61 = 1,260.10 : x
  2. Step 2: Convert to fraction form
    1,452.10/2,166.61 = 1,260.10/x
  3. Step 3: Cross multiply
    1,452.10x = 2,166.61 × 1,260.10
  4. Step 4: Simplify right side
    1,452.10x = 2,730,138.96
  5. Step 5: Solve for x
    x = 2,730,138.96/1,452.10
  6. Step 6: Final answer
    x = 1,880.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.