Home / 3,317.41-4,976.15-2,656.21

Finding the Fourth Proportional to 3,317.41, 4,976.15 and 2,656.21

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Solution

The fourth proportional to 3,317.41, 4,976.15 and 2,656.21 is: 3,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.41 : 4,976.15 = 2,656.21 : x
  2. Step 2: Convert to fraction form
    3,317.41/4,976.15 = 2,656.21/x
  3. Step 3: Cross multiply
    3,317.41x = 4,976.15 × 2,656.21
  4. Step 4: Simplify right side
    3,317.41x = 13,217,697.94
  5. Step 5: Solve for x
    x = 13,217,697.94/3,317.41
  6. Step 6: Final answer
    x = 3,984.35

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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.