Home / 1,165.60-1,746.91-547.95

Finding the Fourth Proportional to 1,165.60, 1,746.91 and 547.95

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Solution

The fourth proportional to 1,165.60, 1,746.91 and 547.95 is: 821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.60 : 1,746.91 = 547.95 : x
  2. Step 2: Convert to fraction form
    1,165.60/1,746.91 = 547.95/x
  3. Step 3: Cross multiply
    1,165.60x = 1,746.91 × 547.95
  4. Step 4: Simplify right side
    1,165.60x = 957,219.33
  5. Step 5: Solve for x
    x = 957,219.33/1,165.60
  6. Step 6: Final answer
    x = 821.22

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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.