Home / 1,491.35-2,232.56-1,230.12

Finding the Fourth Proportional to 1,491.35, 2,232.56 and 1,230.12

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Solution

The fourth proportional to 1,491.35, 2,232.56 and 1,230.12 is: 1,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.35 : 2,232.56 = 1,230.12 : x
  2. Step 2: Convert to fraction form
    1,491.35/2,232.56 = 1,230.12/x
  3. Step 3: Cross multiply
    1,491.35x = 2,232.56 × 1,230.12
  4. Step 4: Simplify right side
    1,491.35x = 2,746,319.78
  5. Step 5: Solve for x
    x = 2,746,319.78/1,491.35
  6. Step 6: Final answer
    x = 1,841.51

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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.