Home / 2,718.84-3,752.05-1,540.16

Finding the Fourth Proportional to 2,718.84, 3,752.05 and 1,540.16

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Solution

The fourth proportional to 2,718.84, 3,752.05 and 1,540.16 is: 2,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.84 : 3,752.05 = 1,540.16 : x
  2. Step 2: Convert to fraction form
    2,718.84/3,752.05 = 1,540.16/x
  3. Step 3: Cross multiply
    2,718.84x = 3,752.05 × 1,540.16
  4. Step 4: Simplify right side
    2,718.84x = 5,778,757.33
  5. Step 5: Solve for x
    x = 5,778,757.33/2,718.84
  6. Step 6: Final answer
    x = 2,125.45

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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.