Home / 1,660.68-2,292.03-962.10

Finding the Fourth Proportional to 1,660.68, 2,292.03 and 962.10

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Solution

The fourth proportional to 1,660.68, 2,292.03 and 962.10 is: 1,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.68 : 2,292.03 = 962.10 : x
  2. Step 2: Convert to fraction form
    1,660.68/2,292.03 = 962.10/x
  3. Step 3: Cross multiply
    1,660.68x = 2,292.03 × 962.10
  4. Step 4: Simplify right side
    1,660.68x = 2,205,162.06
  5. Step 5: Solve for x
    x = 2,205,162.06/1,660.68
  6. Step 6: Final answer
    x = 1,327.87

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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.