Home / 4,122.65-5,688.90-2,443.77

Finding the Fourth Proportional to 4,122.65, 5,688.90 and 2,443.77

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Solution

The fourth proportional to 4,122.65, 5,688.90 and 2,443.77 is: 3,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.65 : 5,688.90 = 2,443.77 : x
  2. Step 2: Convert to fraction form
    4,122.65/5,688.90 = 2,443.77/x
  3. Step 3: Cross multiply
    4,122.65x = 5,688.90 × 2,443.77
  4. Step 4: Simplify right side
    4,122.65x = 13,902,363.15
  5. Step 5: Solve for x
    x = 13,902,363.15/4,122.65
  6. Step 6: Final answer
    x = 3,372.19

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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.