Home / 3,617.18-5,426.60-1,308.68

Finding the Fourth Proportional to 3,617.18, 5,426.60 and 1,308.68

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Solution

The fourth proportional to 3,617.18, 5,426.60 and 1,308.68 is: 1,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.18 : 5,426.60 = 1,308.68 : x
  2. Step 2: Convert to fraction form
    3,617.18/5,426.60 = 1,308.68/x
  3. Step 3: Cross multiply
    3,617.18x = 5,426.60 × 1,308.68
  4. Step 4: Simplify right side
    3,617.18x = 7,101,682.89
  5. Step 5: Solve for x
    x = 7,101,682.89/3,617.18
  6. Step 6: Final answer
    x = 1,963.32

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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.