Home / 2,881.13-4,317.59-2,220.50

Finding the Fourth Proportional to 2,881.13, 4,317.59 and 2,220.50

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Solution

The fourth proportional to 2,881.13, 4,317.59 and 2,220.50 is: 3,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.13 : 4,317.59 = 2,220.50 : x
  2. Step 2: Convert to fraction form
    2,881.13/4,317.59 = 2,220.50/x
  3. Step 3: Cross multiply
    2,881.13x = 4,317.59 × 2,220.50
  4. Step 4: Simplify right side
    2,881.13x = 9,587,175.90
  5. Step 5: Solve for x
    x = 9,587,175.90/2,881.13
  6. Step 6: Final answer
    x = 3,327.58

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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.