Home / 1,660.22-2,290.55-951.83

Finding the Fourth Proportional to 1,660.22, 2,290.55 and 951.83

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Solution

The fourth proportional to 1,660.22, 2,290.55 and 951.83 is: 1,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.22 : 2,290.55 = 951.83 : x
  2. Step 2: Convert to fraction form
    1,660.22/2,290.55 = 951.83/x
  3. Step 3: Cross multiply
    1,660.22x = 2,290.55 × 951.83
  4. Step 4: Simplify right side
    1,660.22x = 2,180,214.21
  5. Step 5: Solve for x
    x = 2,180,214.21/1,660.22
  6. Step 6: Final answer
    x = 1,313.21

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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.