Home / 2,246.28-3,368.40-947.04

Finding the Fourth Proportional to 2,246.28, 3,368.40 and 947.04

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Solution

The fourth proportional to 2,246.28, 3,368.40 and 947.04 is: 1,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.28 : 3,368.40 = 947.04 : x
  2. Step 2: Convert to fraction form
    2,246.28/3,368.40 = 947.04/x
  3. Step 3: Cross multiply
    2,246.28x = 3,368.40 × 947.04
  4. Step 4: Simplify right side
    2,246.28x = 3,190,009.54
  5. Step 5: Solve for x
    x = 3,190,009.54/2,246.28
  6. Step 6: Final answer
    x = 1,420.13

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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.