Home / 2,686.04-4,009.42-2,488.18

Finding the Fourth Proportional to 2,686.04, 4,009.42 and 2,488.18

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Solution

The fourth proportional to 2,686.04, 4,009.42 and 2,488.18 is: 3,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.04 : 4,009.42 = 2,488.18 : x
  2. Step 2: Convert to fraction form
    2,686.04/4,009.42 = 2,488.18/x
  3. Step 3: Cross multiply
    2,686.04x = 4,009.42 × 2,488.18
  4. Step 4: Simplify right side
    2,686.04x = 9,976,171.90
  5. Step 5: Solve for x
    x = 9,976,171.90/2,686.04
  6. Step 6: Final answer
    x = 3,714.09

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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.