Home / 1,515.66-2,274.57-1,029.18

Finding the Fourth Proportional to 1,515.66, 2,274.57 and 1,029.18

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Solution

The fourth proportional to 1,515.66, 2,274.57 and 1,029.18 is: 1,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.66 : 2,274.57 = 1,029.18 : x
  2. Step 2: Convert to fraction form
    1,515.66/2,274.57 = 1,029.18/x
  3. Step 3: Cross multiply
    1,515.66x = 2,274.57 × 1,029.18
  4. Step 4: Simplify right side
    1,515.66x = 2,340,941.95
  5. Step 5: Solve for x
    x = 2,340,941.95/1,515.66
  6. Step 6: Final answer
    x = 1,544.50

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Half scale
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Double scale
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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.