Home / 1,344.44-1,853.74-1,147.32

Finding the Fourth Proportional to 1,344.44, 1,853.74 and 1,147.32

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Solution

The fourth proportional to 1,344.44, 1,853.74 and 1,147.32 is: 1,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.44 : 1,853.74 = 1,147.32 : x
  2. Step 2: Convert to fraction form
    1,344.44/1,853.74 = 1,147.32/x
  3. Step 3: Cross multiply
    1,344.44x = 1,853.74 × 1,147.32
  4. Step 4: Simplify right side
    1,344.44x = 2,126,832.98
  5. Step 5: Solve for x
    x = 2,126,832.98/1,344.44
  6. Step 6: Final answer
    x = 1,581.95

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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.