Home / 2,292.06-3,155.01-1,996.81

Finding the Fourth Proportional to 2,292.06, 3,155.01 and 1,996.81

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Solution

The fourth proportional to 2,292.06, 3,155.01 and 1,996.81 is: 2,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.06 : 3,155.01 = 1,996.81 : x
  2. Step 2: Convert to fraction form
    2,292.06/3,155.01 = 1,996.81/x
  3. Step 3: Cross multiply
    2,292.06x = 3,155.01 × 1,996.81
  4. Step 4: Simplify right side
    2,292.06x = 6,299,955.52
  5. Step 5: Solve for x
    x = 6,299,955.52/2,292.06
  6. Step 6: Final answer
    x = 2,748.60

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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.