Home / 1,512.18-2,264.38-896.32

Finding the Fourth Proportional to 1,512.18, 2,264.38 and 896.32

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Solution

The fourth proportional to 1,512.18, 2,264.38 and 896.32 is: 1,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.18 : 2,264.38 = 896.32 : x
  2. Step 2: Convert to fraction form
    1,512.18/2,264.38 = 896.32/x
  3. Step 3: Cross multiply
    1,512.18x = 2,264.38 × 896.32
  4. Step 4: Simplify right side
    1,512.18x = 2,029,601.18
  5. Step 5: Solve for x
    x = 2,029,601.18/1,512.18
  6. Step 6: Final answer
    x = 1,342.17

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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.