Home / 2,999.83-4,140.27-2,216.14

Finding the Fourth Proportional to 2,999.83, 4,140.27 and 2,216.14

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Solution

The fourth proportional to 2,999.83, 4,140.27 and 2,216.14 is: 3,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.83 : 4,140.27 = 2,216.14 : x
  2. Step 2: Convert to fraction form
    2,999.83/4,140.27 = 2,216.14/x
  3. Step 3: Cross multiply
    2,999.83x = 4,140.27 × 2,216.14
  4. Step 4: Simplify right side
    2,999.83x = 9,175,417.96
  5. Step 5: Solve for x
    x = 9,175,417.96/2,999.83
  6. Step 6: Final answer
    x = 3,058.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.