Home / 2,454.29-3,386.94-1,335.23

Finding the Fourth Proportional to 2,454.29, 3,386.94 and 1,335.23

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Solution

The fourth proportional to 2,454.29, 3,386.94 and 1,335.23 is: 1,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.29 : 3,386.94 = 1,335.23 : x
  2. Step 2: Convert to fraction form
    2,454.29/3,386.94 = 1,335.23/x
  3. Step 3: Cross multiply
    2,454.29x = 3,386.94 × 1,335.23
  4. Step 4: Simplify right side
    2,454.29x = 4,522,343.90
  5. Step 5: Solve for x
    x = 4,522,343.90/2,454.29
  6. Step 6: Final answer
    x = 1,842.63

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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.