Home / 1,661.18-2,292.45-962.42

Finding the Fourth Proportional to 1,661.18, 2,292.45 and 962.42

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Solution

The fourth proportional to 1,661.18, 2,292.45 and 962.42 is: 1,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.18 : 2,292.45 = 962.42 : x
  2. Step 2: Convert to fraction form
    1,661.18/2,292.45 = 962.42/x
  3. Step 3: Cross multiply
    1,661.18x = 2,292.45 × 962.42
  4. Step 4: Simplify right side
    1,661.18x = 2,206,299.73
  5. Step 5: Solve for x
    x = 2,206,299.73/1,661.18
  6. Step 6: Final answer
    x = 1,328.15

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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.