Home / 1,850.12-2,553.30-1,064.18

Finding the Fourth Proportional to 1,850.12, 2,553.30 and 1,064.18

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Solution

The fourth proportional to 1,850.12, 2,553.30 and 1,064.18 is: 1,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.12 : 2,553.30 = 1,064.18 : x
  2. Step 2: Convert to fraction form
    1,850.12/2,553.30 = 1,064.18/x
  3. Step 3: Cross multiply
    1,850.12x = 2,553.30 × 1,064.18
  4. Step 4: Simplify right side
    1,850.12x = 2,717,170.79
  5. Step 5: Solve for x
    x = 2,717,170.79/1,850.12
  6. Step 6: Final answer
    x = 1,468.65

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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.