Home / 2,301.60-3,448.35-1,890.12

Finding the Fourth Proportional to 2,301.60, 3,448.35 and 1,890.12

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Solution

The fourth proportional to 2,301.60, 3,448.35 and 1,890.12 is: 2,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.60 : 3,448.35 = 1,890.12 : x
  2. Step 2: Convert to fraction form
    2,301.60/3,448.35 = 1,890.12/x
  3. Step 3: Cross multiply
    2,301.60x = 3,448.35 × 1,890.12
  4. Step 4: Simplify right side
    2,301.60x = 6,517,795.30
  5. Step 5: Solve for x
    x = 6,517,795.30/2,301.60
  6. Step 6: Final answer
    x = 2,831.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.