Home / 2,030.60-3,041.03-1,287.62

Finding the Fourth Proportional to 2,030.60, 3,041.03 and 1,287.62

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Solution

The fourth proportional to 2,030.60, 3,041.03 and 1,287.62 is: 1,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.60 : 3,041.03 = 1,287.62 : x
  2. Step 2: Convert to fraction form
    2,030.60/3,041.03 = 1,287.62/x
  3. Step 3: Cross multiply
    2,030.60x = 3,041.03 × 1,287.62
  4. Step 4: Simplify right side
    2,030.60x = 3,915,691.05
  5. Step 5: Solve for x
    x = 3,915,691.05/2,030.60
  6. Step 6: Final answer
    x = 1,928.34

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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.