Home / 2,317.72-3,200.68-1,984.16

Finding the Fourth Proportional to 2,317.72, 3,200.68 and 1,984.16

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Solution

The fourth proportional to 2,317.72, 3,200.68 and 1,984.16 is: 2,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.72 : 3,200.68 = 1,984.16 : x
  2. Step 2: Convert to fraction form
    2,317.72/3,200.68 = 1,984.16/x
  3. Step 3: Cross multiply
    2,317.72x = 3,200.68 × 1,984.16
  4. Step 4: Simplify right side
    2,317.72x = 6,350,661.23
  5. Step 5: Solve for x
    x = 6,350,661.23/2,317.72
  6. Step 6: Final answer
    x = 2,740.05

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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.