Home / 1,422.34-2,133.69-601.18

Finding the Fourth Proportional to 1,422.34, 2,133.69 and 601.18

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Solution

The fourth proportional to 1,422.34, 2,133.69 and 601.18 is: 901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422.34 : 2,133.69 = 601.18 : x
  2. Step 2: Convert to fraction form
    1,422.34/2,133.69 = 601.18/x
  3. Step 3: Cross multiply
    1,422.34x = 2,133.69 × 601.18
  4. Step 4: Simplify right side
    1,422.34x = 1,282,731.75
  5. Step 5: Solve for x
    x = 1,282,731.75/1,422.34
  6. Step 6: Final answer
    x = 901.85

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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.