Home / 1,482.12-2,221.06-1,089.04

Finding the Fourth Proportional to 1,482.12, 2,221.06 and 1,089.04

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Solution

The fourth proportional to 1,482.12, 2,221.06 and 1,089.04 is: 1,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.12 : 2,221.06 = 1,089.04 : x
  2. Step 2: Convert to fraction form
    1,482.12/2,221.06 = 1,089.04/x
  3. Step 3: Cross multiply
    1,482.12x = 2,221.06 × 1,089.04
  4. Step 4: Simplify right side
    1,482.12x = 2,418,823.18
  5. Step 5: Solve for x
    x = 2,418,823.18/1,482.12
  6. Step 6: Final answer
    x = 1,632.00

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1.5x scale

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.