Home / 2,246.18-3,368.34-784.98

Finding the Fourth Proportional to 2,246.18, 3,368.34 and 784.98

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Solution

The fourth proportional to 2,246.18, 3,368.34 and 784.98 is: 1,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.18 : 3,368.34 = 784.98 : x
  2. Step 2: Convert to fraction form
    2,246.18/3,368.34 = 784.98/x
  3. Step 3: Cross multiply
    2,246.18x = 3,368.34 × 784.98
  4. Step 4: Simplify right side
    2,246.18x = 2,644,079.53
  5. Step 5: Solve for x
    x = 2,644,079.53/2,246.18
  6. Step 6: Final answer
    x = 1,177.15

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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.