Home / 1,193.30-1,646.15-750.36

Finding the Fourth Proportional to 1,193.30, 1,646.15 and 750.36

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Solution

The fourth proportional to 1,193.30, 1,646.15 and 750.36 is: 1,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.30 : 1,646.15 = 750.36 : x
  2. Step 2: Convert to fraction form
    1,193.30/1,646.15 = 750.36/x
  3. Step 3: Cross multiply
    1,193.30x = 1,646.15 × 750.36
  4. Step 4: Simplify right side
    1,193.30x = 1,235,201.36
  5. Step 5: Solve for x
    x = 1,235,201.36/1,193.30
  6. Step 6: Final answer
    x = 1,035.12

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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.