Home / 2,306.12-3,182.74-2,109.29

Finding the Fourth Proportional to 2,306.12, 3,182.74 and 2,109.29

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Solution

The fourth proportional to 2,306.12, 3,182.74 and 2,109.29 is: 2,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.12 : 3,182.74 = 2,109.29 : x
  2. Step 2: Convert to fraction form
    2,306.12/3,182.74 = 2,109.29/x
  3. Step 3: Cross multiply
    2,306.12x = 3,182.74 × 2,109.29
  4. Step 4: Simplify right side
    2,306.12x = 6,713,303.15
  5. Step 5: Solve for x
    x = 6,713,303.15/2,306.12
  6. Step 6: Final answer
    x = 2,911.08

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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.