Home / 2,960.16-4,438.70-1,317.20

Finding the Fourth Proportional to 2,960.16, 4,438.70 and 1,317.20

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Solution

The fourth proportional to 2,960.16, 4,438.70 and 1,317.20 is: 1,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.16 : 4,438.70 = 1,317.20 : x
  2. Step 2: Convert to fraction form
    2,960.16/4,438.70 = 1,317.20/x
  3. Step 3: Cross multiply
    2,960.16x = 4,438.70 × 1,317.20
  4. Step 4: Simplify right side
    2,960.16x = 5,846,655.64
  5. Step 5: Solve for x
    x = 5,846,655.64/2,960.16
  6. Step 6: Final answer
    x = 1,975.11

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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.