Home / 2,309.09-3,463.20-1,077.08

Finding the Fourth Proportional to 2,309.09, 3,463.20 and 1,077.08

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Solution

The fourth proportional to 2,309.09, 3,463.20 and 1,077.08 is: 1,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.09 : 3,463.20 = 1,077.08 : x
  2. Step 2: Convert to fraction form
    2,309.09/3,463.20 = 1,077.08/x
  3. Step 3: Cross multiply
    2,309.09x = 3,463.20 × 1,077.08
  4. Step 4: Simplify right side
    2,309.09x = 3,730,126.14
  5. Step 5: Solve for x
    x = 3,730,126.14/2,309.09
  6. Step 6: Final answer
    x = 1,615.41

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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.