Home / 3,316.50-4,974.72-1,368.72

Finding the Fourth Proportional to 3,316.50, 4,974.72 and 1,368.72

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Solution

The fourth proportional to 3,316.50, 4,974.72 and 1,368.72 is: 2,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.50 : 4,974.72 = 1,368.72 : x
  2. Step 2: Convert to fraction form
    3,316.50/4,974.72 = 1,368.72/x
  3. Step 3: Cross multiply
    3,316.50x = 4,974.72 × 1,368.72
  4. Step 4: Simplify right side
    3,316.50x = 6,808,998.76
  5. Step 5: Solve for x
    x = 6,808,998.76/3,316.50
  6. Step 6: Final answer
    x = 2,053.07

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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.