Home / 2,686.08-4,010.32-2,521.28

Finding the Fourth Proportional to 2,686.08, 4,010.32 and 2,521.28

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Solution

The fourth proportional to 2,686.08, 4,010.32 and 2,521.28 is: 3,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.08 : 4,010.32 = 2,521.28 : x
  2. Step 2: Convert to fraction form
    2,686.08/4,010.32 = 2,521.28/x
  3. Step 3: Cross multiply
    2,686.08x = 4,010.32 × 2,521.28
  4. Step 4: Simplify right side
    2,686.08x = 10,111,139.61
  5. Step 5: Solve for x
    x = 10,111,139.61/2,686.08
  6. Step 6: Final answer
    x = 3,764.27

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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.