Home / 4,042.80-6,064.80-1,269.72

Finding the Fourth Proportional to 4,042.80, 6,064.80 and 1,269.72

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Solution

The fourth proportional to 4,042.80, 6,064.80 and 1,269.72 is: 1,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.80 : 6,064.80 = 1,269.72 : x
  2. Step 2: Convert to fraction form
    4,042.80/6,064.80 = 1,269.72/x
  3. Step 3: Cross multiply
    4,042.80x = 6,064.80 × 1,269.72
  4. Step 4: Simplify right side
    4,042.80x = 7,700,597.86
  5. Step 5: Solve for x
    x = 7,700,597.86/4,042.80
  6. Step 6: Final answer
    x = 1,904.77

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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.