Home / 2,292.12-3,159.54-1,918.44

Finding the Fourth Proportional to 2,292.12, 3,159.54 and 1,918.44

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Solution

The fourth proportional to 2,292.12, 3,159.54 and 1,918.44 is: 2,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.12 : 3,159.54 = 1,918.44 : x
  2. Step 2: Convert to fraction form
    2,292.12/3,159.54 = 1,918.44/x
  3. Step 3: Cross multiply
    2,292.12x = 3,159.54 × 1,918.44
  4. Step 4: Simplify right side
    2,292.12x = 6,061,387.92
  5. Step 5: Solve for x
    x = 6,061,387.92/2,292.12
  6. Step 6: Final answer
    x = 2,644.45

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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.