Home / 3,116.40-4,301.16-2,369.16

Finding the Fourth Proportional to 3,116.40, 4,301.16 and 2,369.16

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Solution

The fourth proportional to 3,116.40, 4,301.16 and 2,369.16 is: 3,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.40 : 4,301.16 = 2,369.16 : x
  2. Step 2: Convert to fraction form
    3,116.40/4,301.16 = 2,369.16/x
  3. Step 3: Cross multiply
    3,116.40x = 4,301.16 × 2,369.16
  4. Step 4: Simplify right side
    3,116.40x = 10,190,136.23
  5. Step 5: Solve for x
    x = 10,190,136.23/3,116.40
  6. Step 6: Final answer
    x = 3,269.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.