Home / 2,909.16-4,010.72-2,277.24

Finding the Fourth Proportional to 2,909.16, 4,010.72 and 2,277.24

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Solution

The fourth proportional to 2,909.16, 4,010.72 and 2,277.24 is: 3,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.16 : 4,010.72 = 2,277.24 : x
  2. Step 2: Convert to fraction form
    2,909.16/4,010.72 = 2,277.24/x
  3. Step 3: Cross multiply
    2,909.16x = 4,010.72 × 2,277.24
  4. Step 4: Simplify right side
    2,909.16x = 9,133,372.01
  5. Step 5: Solve for x
    x = 9,133,372.01/2,909.16
  6. Step 6: Final answer
    x = 3,139.52

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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.