Home / 4,201.12-5,797.56-2,312.65

Finding the Fourth Proportional to 4,201.12, 5,797.56 and 2,312.65

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Solution

The fourth proportional to 4,201.12, 5,797.56 and 2,312.65 is: 3,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.12 : 5,797.56 = 2,312.65 : x
  2. Step 2: Convert to fraction form
    4,201.12/5,797.56 = 2,312.65/x
  3. Step 3: Cross multiply
    4,201.12x = 5,797.56 × 2,312.65
  4. Step 4: Simplify right side
    4,201.12x = 13,407,727.13
  5. Step 5: Solve for x
    x = 13,407,727.13/4,201.12
  6. Step 6: Final answer
    x = 3,191.46

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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.