Home / 2,955.28-4,432.96-1,224.08

Finding the Fourth Proportional to 2,955.28, 4,432.96 and 1,224.08

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Solution

The fourth proportional to 2,955.28, 4,432.96 and 1,224.08 is: 1,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.28 : 4,432.96 = 1,224.08 : x
  2. Step 2: Convert to fraction form
    2,955.28/4,432.96 = 1,224.08/x
  3. Step 3: Cross multiply
    2,955.28x = 4,432.96 × 1,224.08
  4. Step 4: Simplify right side
    2,955.28x = 5,426,297.68
  5. Step 5: Solve for x
    x = 5,426,297.68/2,955.28
  6. Step 6: Final answer
    x = 1,836.14

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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.