Home / 2,488.26-3,432.36-1,555.14

Finding the Fourth Proportional to 2,488.26, 3,432.36 and 1,555.14

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Solution

The fourth proportional to 2,488.26, 3,432.36 and 1,555.14 is: 2,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.26 : 3,432.36 = 1,555.14 : x
  2. Step 2: Convert to fraction form
    2,488.26/3,432.36 = 1,555.14/x
  3. Step 3: Cross multiply
    2,488.26x = 3,432.36 × 1,555.14
  4. Step 4: Simplify right side
    2,488.26x = 5,337,800.33
  5. Step 5: Solve for x
    x = 5,337,800.33/2,488.26
  6. Step 6: Final answer
    x = 2,145.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.