Home / 1,534.26-2,117.91-1,161.34

Finding the Fourth Proportional to 1,534.26, 2,117.91 and 1,161.34

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Solution

The fourth proportional to 1,534.26, 2,117.91 and 1,161.34 is: 1,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.26 : 2,117.91 = 1,161.34 : x
  2. Step 2: Convert to fraction form
    1,534.26/2,117.91 = 1,161.34/x
  3. Step 3: Cross multiply
    1,534.26x = 2,117.91 × 1,161.34
  4. Step 4: Simplify right side
    1,534.26x = 2,459,613.60
  5. Step 5: Solve for x
    x = 2,459,613.60/1,534.26
  6. Step 6: Final answer
    x = 1,603.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.