Home / 1,239.12-1,844.10-1,193.04

Finding the Fourth Proportional to 1,239.12, 1,844.10 and 1,193.04

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Solution

The fourth proportional to 1,239.12, 1,844.10 and 1,193.04 is: 1,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239.12 : 1,844.10 = 1,193.04 : x
  2. Step 2: Convert to fraction form
    1,239.12/1,844.10 = 1,193.04/x
  3. Step 3: Cross multiply
    1,239.12x = 1,844.10 × 1,193.04
  4. Step 4: Simplify right side
    1,239.12x = 2,200,085.06
  5. Step 5: Solve for x
    x = 2,200,085.06/1,239.12
  6. Step 6: Final answer
    x = 1,775.52

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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.