Home / 2,325.12-3,208.68-1,277.16

Finding the Fourth Proportional to 2,325.12, 3,208.68 and 1,277.16

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Solution

The fourth proportional to 2,325.12, 3,208.68 and 1,277.16 is: 1,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.12 : 3,208.68 = 1,277.16 : x
  2. Step 2: Convert to fraction form
    2,325.12/3,208.68 = 1,277.16/x
  3. Step 3: Cross multiply
    2,325.12x = 3,208.68 × 1,277.16
  4. Step 4: Simplify right side
    2,325.12x = 4,097,997.75
  5. Step 5: Solve for x
    x = 4,097,997.75/2,325.12
  6. Step 6: Final answer
    x = 1,762.49

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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.