Home / 2,900.16-3,998.31-2,268.24

Finding the Fourth Proportional to 2,900.16, 3,998.31 and 2,268.24

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Solution

The fourth proportional to 2,900.16, 3,998.31 and 2,268.24 is: 3,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.16 : 3,998.31 = 2,268.24 : x
  2. Step 2: Convert to fraction form
    2,900.16/3,998.31 = 2,268.24/x
  3. Step 3: Cross multiply
    2,900.16x = 3,998.31 × 2,268.24
  4. Step 4: Simplify right side
    2,900.16x = 9,069,126.67
  5. Step 5: Solve for x
    x = 9,069,126.67/2,900.16
  6. Step 6: Final answer
    x = 3,127.11

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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.