Home / 3,508.64-5,262.32-1,316.80

Finding the Fourth Proportional to 3,508.64, 5,262.32 and 1,316.80

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Solution

The fourth proportional to 3,508.64, 5,262.32 and 1,316.80 is: 1,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.64 : 5,262.32 = 1,316.80 : x
  2. Step 2: Convert to fraction form
    3,508.64/5,262.32 = 1,316.80/x
  3. Step 3: Cross multiply
    3,508.64x = 5,262.32 × 1,316.80
  4. Step 4: Simplify right side
    3,508.64x = 6,929,422.98
  5. Step 5: Solve for x
    x = 6,929,422.98/3,508.64
  6. Step 6: Final answer
    x = 1,974.96

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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.