Home / 1,160.48-1,741.35-511.19

Finding the Fourth Proportional to 1,160.48, 1,741.35 and 511.19

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Solution

The fourth proportional to 1,160.48, 1,741.35 and 511.19 is: 767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.48 : 1,741.35 = 511.19 : x
  2. Step 2: Convert to fraction form
    1,160.48/1,741.35 = 511.19/x
  3. Step 3: Cross multiply
    1,160.48x = 1,741.35 × 511.19
  4. Step 4: Simplify right side
    1,160.48x = 890,160.71
  5. Step 5: Solve for x
    x = 890,160.71/1,160.48
  6. Step 6: Final answer
    x = 767.06

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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.