Home / 2,657.04-3,965.47-2,587.92

Finding the Fourth Proportional to 2,657.04, 3,965.47 and 2,587.92

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Solution

The fourth proportional to 2,657.04, 3,965.47 and 2,587.92 is: 3,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.04 : 3,965.47 = 2,587.92 : x
  2. Step 2: Convert to fraction form
    2,657.04/3,965.47 = 2,587.92/x
  3. Step 3: Cross multiply
    2,657.04x = 3,965.47 × 2,587.92
  4. Step 4: Simplify right side
    2,657.04x = 10,262,319.12
  5. Step 5: Solve for x
    x = 10,262,319.12/2,657.04
  6. Step 6: Final answer
    x = 3,862.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.