Home / 3,780.89-5,645.85-3,088.93

Finding the Fourth Proportional to 3,780.89, 5,645.85 and 3,088.93

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Solution

The fourth proportional to 3,780.89, 5,645.85 and 3,088.93 is: 4,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.89 : 5,645.85 = 3,088.93 : x
  2. Step 2: Convert to fraction form
    3,780.89/5,645.85 = 3,088.93/x
  3. Step 3: Cross multiply
    3,780.89x = 5,645.85 × 3,088.93
  4. Step 4: Simplify right side
    3,780.89x = 17,439,632.91
  5. Step 5: Solve for x
    x = 17,439,632.91/3,780.89
  6. Step 6: Final answer
    x = 4,612.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.