Home / 2,030.28-3,052.67-1,869.90

Finding the Fourth Proportional to 2,030.28, 3,052.67 and 1,869.90

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Solution

The fourth proportional to 2,030.28, 3,052.67 and 1,869.90 is: 2,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.28 : 3,052.67 = 1,869.90 : x
  2. Step 2: Convert to fraction form
    2,030.28/3,052.67 = 1,869.90/x
  3. Step 3: Cross multiply
    2,030.28x = 3,052.67 × 1,869.90
  4. Step 4: Simplify right side
    2,030.28x = 5,708,178.28
  5. Step 5: Solve for x
    x = 5,708,178.28/2,030.28
  6. Step 6: Final answer
    x = 2,811.52

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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.