Home / 1,508.48-2,081.69-836.33

Finding the Fourth Proportional to 1,508.48, 2,081.69 and 836.33

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Solution

The fourth proportional to 1,508.48, 2,081.69 and 836.33 is: 1,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.48 : 2,081.69 = 836.33 : x
  2. Step 2: Convert to fraction form
    1,508.48/2,081.69 = 836.33/x
  3. Step 3: Cross multiply
    1,508.48x = 2,081.69 × 836.33
  4. Step 4: Simplify right side
    1,508.48x = 1,740,988.26
  5. Step 5: Solve for x
    x = 1,740,988.26/1,508.48
  6. Step 6: Final answer
    x = 1,154.13

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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.