Home / 3,508.39-5,259.52-1,317.16

Finding the Fourth Proportional to 3,508.39, 5,259.52 and 1,317.16

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Solution

The fourth proportional to 3,508.39, 5,259.52 and 1,317.16 is: 1,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.39 : 5,259.52 = 1,317.16 : x
  2. Step 2: Convert to fraction form
    3,508.39/5,259.52 = 1,317.16/x
  3. Step 3: Cross multiply
    3,508.39x = 5,259.52 × 1,317.16
  4. Step 4: Simplify right side
    3,508.39x = 6,927,629.36
  5. Step 5: Solve for x
    x = 6,927,629.36/3,508.39
  6. Step 6: Final answer
    x = 1,974.59

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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.