Home / 1,924.32-2,655.48-1,127.70

Finding the Fourth Proportional to 1,924.32, 2,655.48 and 1,127.70

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Solution

The fourth proportional to 1,924.32, 2,655.48 and 1,127.70 is: 1,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.32 : 2,655.48 = 1,127.70 : x
  2. Step 2: Convert to fraction form
    1,924.32/2,655.48 = 1,127.70/x
  3. Step 3: Cross multiply
    1,924.32x = 2,655.48 × 1,127.70
  4. Step 4: Simplify right side
    1,924.32x = 2,994,584.80
  5. Step 5: Solve for x
    x = 2,994,584.80/1,924.32
  6. Step 6: Final answer
    x = 1,556.18

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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.