Home / 1,552.18-2,328.69-512.35

Finding the Fourth Proportional to 1,552.18, 2,328.69 and 512.35

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Solution

The fourth proportional to 1,552.18, 2,328.69 and 512.35 is: 768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.18 : 2,328.69 = 512.35 : x
  2. Step 2: Convert to fraction form
    1,552.18/2,328.69 = 512.35/x
  3. Step 3: Cross multiply
    1,552.18x = 2,328.69 × 512.35
  4. Step 4: Simplify right side
    1,552.18x = 1,193,104.32
  5. Step 5: Solve for x
    x = 1,193,104.32/1,552.18
  6. Step 6: Final answer
    x = 768.66

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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.