Home / 1,480.70-2,226.45-1,243.10

Finding the Fourth Proportional to 1,480.70, 2,226.45 and 1,243.10

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Solution

The fourth proportional to 1,480.70, 2,226.45 and 1,243.10 is: 1,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.70 : 2,226.45 = 1,243.10 : x
  2. Step 2: Convert to fraction form
    1,480.70/2,226.45 = 1,243.10/x
  3. Step 3: Cross multiply
    1,480.70x = 2,226.45 × 1,243.10
  4. Step 4: Simplify right side
    1,480.70x = 2,767,700.00
  5. Step 5: Solve for x
    x = 2,767,700.00/1,480.70
  6. Step 6: Final answer
    x = 1,869.18

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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.