Home / 1,758.18-2,426.79-1,161.11

Finding the Fourth Proportional to 1,758.18, 2,426.79 and 1,161.11

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Solution

The fourth proportional to 1,758.18, 2,426.79 and 1,161.11 is: 1,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.18 : 2,426.79 = 1,161.11 : x
  2. Step 2: Convert to fraction form
    1,758.18/2,426.79 = 1,161.11/x
  3. Step 3: Cross multiply
    1,758.18x = 2,426.79 × 1,161.11
  4. Step 4: Simplify right side
    1,758.18x = 2,817,758.00
  5. Step 5: Solve for x
    x = 2,817,758.00/1,758.18
  6. Step 6: Final answer
    x = 1,602.66

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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.