Home / 3,537.95-4,876.76-2,790.70

Finding the Fourth Proportional to 3,537.95, 4,876.76 and 2,790.70

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Solution

The fourth proportional to 3,537.95, 4,876.76 and 2,790.70 is: 3,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.95 : 4,876.76 = 2,790.70 : x
  2. Step 2: Convert to fraction form
    3,537.95/4,876.76 = 2,790.70/x
  3. Step 3: Cross multiply
    3,537.95x = 4,876.76 × 2,790.70
  4. Step 4: Simplify right side
    3,537.95x = 13,609,535.79
  5. Step 5: Solve for x
    x = 13,609,535.79/3,537.95
  6. Step 6: Final answer
    x = 3,846.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.