Home / 3,912.16-5,860.08-2,347.20

Finding the Fourth Proportional to 3,912.16, 5,860.08 and 2,347.20

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Solution

The fourth proportional to 3,912.16, 5,860.08 and 2,347.20 is: 3,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.16 : 5,860.08 = 2,347.20 : x
  2. Step 2: Convert to fraction form
    3,912.16/5,860.08 = 2,347.20/x
  3. Step 3: Cross multiply
    3,912.16x = 5,860.08 × 2,347.20
  4. Step 4: Simplify right side
    3,912.16x = 13,754,779.78
  5. Step 5: Solve for x
    x = 13,754,779.78/3,912.16
  6. Step 6: Final answer
    x = 3,515.90

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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.