Home / 2,325.64-3,209.36-1,277.68

Finding the Fourth Proportional to 2,325.64, 3,209.36 and 1,277.68

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Solution

The fourth proportional to 2,325.64, 3,209.36 and 1,277.68 is: 1,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.64 : 3,209.36 = 1,277.68 : x
  2. Step 2: Convert to fraction form
    2,325.64/3,209.36 = 1,277.68/x
  3. Step 3: Cross multiply
    2,325.64x = 3,209.36 × 1,277.68
  4. Step 4: Simplify right side
    2,325.64x = 4,100,535.08
  5. Step 5: Solve for x
    x = 4,100,535.08/2,325.64
  6. Step 6: Final answer
    x = 1,763.19

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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.