Home / 1,488.40-2,230.76-1,244.18

Finding the Fourth Proportional to 1,488.40, 2,230.76 and 1,244.18

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Solution

The fourth proportional to 1,488.40, 2,230.76 and 1,244.18 is: 1,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.40 : 2,230.76 = 1,244.18 : x
  2. Step 2: Convert to fraction form
    1,488.40/2,230.76 = 1,244.18/x
  3. Step 3: Cross multiply
    1,488.40x = 2,230.76 × 1,244.18
  4. Step 4: Simplify right side
    1,488.40x = 2,775,475.66
  5. Step 5: Solve for x
    x = 2,775,475.66/1,488.40
  6. Step 6: Final answer
    x = 1,864.74

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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.