Home / 4,030.80-6,046.74-1,257.66

Finding the Fourth Proportional to 4,030.80, 6,046.74 and 1,257.66

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Solution

The fourth proportional to 4,030.80, 6,046.74 and 1,257.66 is: 1,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.80 : 6,046.74 = 1,257.66 : x
  2. Step 2: Convert to fraction form
    4,030.80/6,046.74 = 1,257.66/x
  3. Step 3: Cross multiply
    4,030.80x = 6,046.74 × 1,257.66
  4. Step 4: Simplify right side
    4,030.80x = 7,604,743.03
  5. Step 5: Solve for x
    x = 7,604,743.03/4,030.80
  6. Step 6: Final answer
    x = 1,886.66

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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.