Home / 2,127.83-3,193.20-741.17

Finding the Fourth Proportional to 2,127.83, 3,193.20 and 741.17

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Solution

The fourth proportional to 2,127.83, 3,193.20 and 741.17 is: 1,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.83 : 3,193.20 = 741.17 : x
  2. Step 2: Convert to fraction form
    2,127.83/3,193.20 = 741.17/x
  3. Step 3: Cross multiply
    2,127.83x = 3,193.20 × 741.17
  4. Step 4: Simplify right side
    2,127.83x = 2,366,688.08
  5. Step 5: Solve for x
    x = 2,366,688.08/2,127.83
  6. Step 6: Final answer
    x = 1,112.25

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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.