Home / 1,560.36-2,339.22-738.18

Finding the Fourth Proportional to 1,560.36, 2,339.22 and 738.18

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Solution

The fourth proportional to 1,560.36, 2,339.22 and 738.18 is: 1,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.36 : 2,339.22 = 738.18 : x
  2. Step 2: Convert to fraction form
    1,560.36/2,339.22 = 738.18/x
  3. Step 3: Cross multiply
    1,560.36x = 2,339.22 × 738.18
  4. Step 4: Simplify right side
    1,560.36x = 1,726,765.42
  5. Step 5: Solve for x
    x = 1,726,765.42/1,560.36
  6. Step 6: Final answer
    x = 1,106.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.