Home / 3,264.24-4,895.16-1,316.40

Finding the Fourth Proportional to 3,264.24, 4,895.16 and 1,316.40

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Solution

The fourth proportional to 3,264.24, 4,895.16 and 1,316.40 is: 1,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.24 : 4,895.16 = 1,316.40 : x
  2. Step 2: Convert to fraction form
    3,264.24/4,895.16 = 1,316.40/x
  3. Step 3: Cross multiply
    3,264.24x = 4,895.16 × 1,316.40
  4. Step 4: Simplify right side
    3,264.24x = 6,443,988.62
  5. Step 5: Solve for x
    x = 6,443,988.62/3,264.24
  6. Step 6: Final answer
    x = 1,974.12

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1.5x scale

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.