Home / 2,718.61-3,752.36-1,540.35

Finding the Fourth Proportional to 2,718.61, 3,752.36 and 1,540.35

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Solution

The fourth proportional to 2,718.61, 3,752.36 and 1,540.35 is: 2,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.61 : 3,752.36 = 1,540.35 : x
  2. Step 2: Convert to fraction form
    2,718.61/3,752.36 = 1,540.35/x
  3. Step 3: Cross multiply
    2,718.61x = 3,752.36 × 1,540.35
  4. Step 4: Simplify right side
    2,718.61x = 5,779,947.73
  5. Step 5: Solve for x
    x = 5,779,947.73/2,718.61
  6. Step 6: Final answer
    x = 2,126.07

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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.