Home / 2,454.12-3,386.28-1,615.16

Finding the Fourth Proportional to 2,454.12, 3,386.28 and 1,615.16

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Solution

The fourth proportional to 2,454.12, 3,386.28 and 1,615.16 is: 2,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.12 : 3,386.28 = 1,615.16 : x
  2. Step 2: Convert to fraction form
    2,454.12/3,386.28 = 1,615.16/x
  3. Step 3: Cross multiply
    2,454.12x = 3,386.28 × 1,615.16
  4. Step 4: Simplify right side
    2,454.12x = 5,469,367.07
  5. Step 5: Solve for x
    x = 5,469,367.07/2,454.12
  6. Step 6: Final answer
    x = 2,228.65

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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.