Home / 2,718.61-3,753.98-1,725.65

Finding the Fourth Proportional to 2,718.61, 3,753.98 and 1,725.65

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Solution

The fourth proportional to 2,718.61, 3,753.98 and 1,725.65 is: 2,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.61 : 3,753.98 = 1,725.65 : x
  2. Step 2: Convert to fraction form
    2,718.61/3,753.98 = 1,725.65/x
  3. Step 3: Cross multiply
    2,718.61x = 3,753.98 × 1,725.65
  4. Step 4: Simplify right side
    2,718.61x = 6,478,055.59
  5. Step 5: Solve for x
    x = 6,478,055.59/2,718.61
  6. Step 6: Final answer
    x = 2,382.86

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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.