Home / 3,048.60-4,570.74-1,489.08

Finding the Fourth Proportional to 3,048.60, 4,570.74 and 1,489.08

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Solution

The fourth proportional to 3,048.60, 4,570.74 and 1,489.08 is: 2,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.60 : 4,570.74 = 1,489.08 : x
  2. Step 2: Convert to fraction form
    3,048.60/4,570.74 = 1,489.08/x
  3. Step 3: Cross multiply
    3,048.60x = 4,570.74 × 1,489.08
  4. Step 4: Simplify right side
    3,048.60x = 6,806,197.52
  5. Step 5: Solve for x
    x = 6,806,197.52/3,048.60
  6. Step 6: Final answer
    x = 2,232.56

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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.