Home / 1,498.45-2,247.68-1,316.20

Finding the Fourth Proportional to 1,498.45, 2,247.68 and 1,316.20

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Solution

The fourth proportional to 1,498.45, 2,247.68 and 1,316.20 is: 1,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.45 : 2,247.68 = 1,316.20 : x
  2. Step 2: Convert to fraction form
    1,498.45/2,247.68 = 1,316.20/x
  3. Step 3: Cross multiply
    1,498.45x = 2,247.68 × 1,316.20
  4. Step 4: Simplify right side
    1,498.45x = 2,958,396.42
  5. Step 5: Solve for x
    x = 2,958,396.42/1,498.45
  6. Step 6: Final answer
    x = 1,974.30

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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.