Home / 1,955.44-2,697.18-1,169.20

Finding the Fourth Proportional to 1,955.44, 2,697.18 and 1,169.20

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Solution

The fourth proportional to 1,955.44, 2,697.18 and 1,169.20 is: 1,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.44 : 2,697.18 = 1,169.20 : x
  2. Step 2: Convert to fraction form
    1,955.44/2,697.18 = 1,169.20/x
  3. Step 3: Cross multiply
    1,955.44x = 2,697.18 × 1,169.20
  4. Step 4: Simplify right side
    1,955.44x = 3,153,542.86
  5. Step 5: Solve for x
    x = 3,153,542.86/1,955.44
  6. Step 6: Final answer
    x = 1,612.70

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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.