Home / 2,807.04-4,211.09-958.69

Finding the Fourth Proportional to 2,807.04, 4,211.09 and 958.69

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Solution

The fourth proportional to 2,807.04, 4,211.09 and 958.69 is: 1,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.04 : 4,211.09 = 958.69 : x
  2. Step 2: Convert to fraction form
    2,807.04/4,211.09 = 958.69/x
  3. Step 3: Cross multiply
    2,807.04x = 4,211.09 × 958.69
  4. Step 4: Simplify right side
    2,807.04x = 4,037,129.87
  5. Step 5: Solve for x
    x = 4,037,129.87/2,807.04
  6. Step 6: Final answer
    x = 1,438.22

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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.