Home / 1,167.35-1,749.46-436.19

Finding the Fourth Proportional to 1,167.35, 1,749.46 and 436.19

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Solution

The fourth proportional to 1,167.35, 1,749.46 and 436.19 is: 653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.35 : 1,749.46 = 436.19 : x
  2. Step 2: Convert to fraction form
    1,167.35/1,749.46 = 436.19/x
  3. Step 3: Cross multiply
    1,167.35x = 1,749.46 × 436.19
  4. Step 4: Simplify right side
    1,167.35x = 763,096.96
  5. Step 5: Solve for x
    x = 763,096.96/1,167.35
  6. Step 6: Final answer
    x = 653.70

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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.