Home / 2,246.41-3,368.60-784.56

Finding the Fourth Proportional to 2,246.41, 3,368.60 and 784.56

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Solution

The fourth proportional to 2,246.41, 3,368.60 and 784.56 is: 1,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.41 : 3,368.60 = 784.56 : x
  2. Step 2: Convert to fraction form
    2,246.41/3,368.60 = 784.56/x
  3. Step 3: Cross multiply
    2,246.41x = 3,368.60 × 784.56
  4. Step 4: Simplify right side
    2,246.41x = 2,642,868.82
  5. Step 5: Solve for x
    x = 2,642,868.82/2,246.41
  6. Step 6: Final answer
    x = 1,176.49

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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.