Home / 3,916.51-5,404.12-2,237.65

Finding the Fourth Proportional to 3,916.51, 5,404.12 and 2,237.65

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Solution

The fourth proportional to 3,916.51, 5,404.12 and 2,237.65 is: 3,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.51 : 5,404.12 = 2,237.65 : x
  2. Step 2: Convert to fraction form
    3,916.51/5,404.12 = 2,237.65/x
  3. Step 3: Cross multiply
    3,916.51x = 5,404.12 × 2,237.65
  4. Step 4: Simplify right side
    3,916.51x = 12,092,510.01
  5. Step 5: Solve for x
    x = 12,092,510.01/3,916.51
  6. Step 6: Final answer
    x = 3,087.57

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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.