Home / 3,155.18-4,726.28-1,853.50

Finding the Fourth Proportional to 3,155.18, 4,726.28 and 1,853.50

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Solution

The fourth proportional to 3,155.18, 4,726.28 and 1,853.50 is: 2,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.18 : 4,726.28 = 1,853.50 : x
  2. Step 2: Convert to fraction form
    3,155.18/4,726.28 = 1,853.50/x
  3. Step 3: Cross multiply
    3,155.18x = 4,726.28 × 1,853.50
  4. Step 4: Simplify right side
    3,155.18x = 8,760,159.98
  5. Step 5: Solve for x
    x = 8,760,159.98/3,155.18
  6. Step 6: Final answer
    x = 2,776.44

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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.