Home / 2,718.98-3,752.16-1,540.28

Finding the Fourth Proportional to 2,718.98, 3,752.16 and 1,540.28

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Solution

The fourth proportional to 2,718.98, 3,752.16 and 1,540.28 is: 2,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.98 : 3,752.16 = 1,540.28 : x
  2. Step 2: Convert to fraction form
    2,718.98/3,752.16 = 1,540.28/x
  3. Step 3: Cross multiply
    2,718.98x = 3,752.16 × 1,540.28
  4. Step 4: Simplify right side
    2,718.98x = 5,779,377.00
  5. Step 5: Solve for x
    x = 5,779,377.00/2,718.98
  6. Step 6: Final answer
    x = 2,125.57

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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.