Home / 1,165.93-1,749.13-344.18

Finding the Fourth Proportional to 1,165.93, 1,749.13 and 344.18

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Solution

The fourth proportional to 1,165.93, 1,749.13 and 344.18 is: 516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.93 : 1,749.13 = 344.18 : x
  2. Step 2: Convert to fraction form
    1,165.93/1,749.13 = 344.18/x
  3. Step 3: Cross multiply
    1,165.93x = 1,749.13 × 344.18
  4. Step 4: Simplify right side
    1,165.93x = 602,019.08
  5. Step 5: Solve for x
    x = 602,019.08/1,165.93
  6. Step 6: Final answer
    x = 516.34

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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.