Home / 3,264.24-4,896.29-1,316.40

Finding the Fourth Proportional to 3,264.24, 4,896.29 and 1,316.40

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Solution

The fourth proportional to 3,264.24, 4,896.29 and 1,316.40 is: 1,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.24 : 4,896.29 = 1,316.40 : x
  2. Step 2: Convert to fraction form
    3,264.24/4,896.29 = 1,316.40/x
  3. Step 3: Cross multiply
    3,264.24x = 4,896.29 × 1,316.40
  4. Step 4: Simplify right side
    3,264.24x = 6,445,476.16
  5. Step 5: Solve for x
    x = 6,445,476.16/3,264.24
  6. Step 6: Final answer
    x = 1,974.57

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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.