Home / 2,325.40-3,209.06-1,277.48

Finding the Fourth Proportional to 2,325.40, 3,209.06 and 1,277.48

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Solution

The fourth proportional to 2,325.40, 3,209.06 and 1,277.48 is: 1,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.40 : 3,209.06 = 1,277.48 : x
  2. Step 2: Convert to fraction form
    2,325.40/3,209.06 = 1,277.48/x
  3. Step 3: Cross multiply
    2,325.40x = 3,209.06 × 1,277.48
  4. Step 4: Simplify right side
    2,325.40x = 4,099,509.97
  5. Step 5: Solve for x
    x = 4,099,509.97/2,325.40
  6. Step 6: Final answer
    x = 1,762.93

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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.