Home / 1,534.66-2,117.74-836.03

Finding the Fourth Proportional to 1,534.66, 2,117.74 and 836.03

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Solution

The fourth proportional to 1,534.66, 2,117.74 and 836.03 is: 1,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.66 : 2,117.74 = 836.03 : x
  2. Step 2: Convert to fraction form
    1,534.66/2,117.74 = 836.03/x
  3. Step 3: Cross multiply
    1,534.66x = 2,117.74 × 836.03
  4. Step 4: Simplify right side
    1,534.66x = 1,770,494.17
  5. Step 5: Solve for x
    x = 1,770,494.17/1,534.66
  6. Step 6: Final answer
    x = 1,153.67

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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.