Home / 3,555.78-5,354.48-2,637.87

Finding the Fourth Proportional to 3,555.78, 5,354.48 and 2,637.87

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Solution

The fourth proportional to 3,555.78, 5,354.48 and 2,637.87 is: 3,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.78 : 5,354.48 = 2,637.87 : x
  2. Step 2: Convert to fraction form
    3,555.78/5,354.48 = 2,637.87/x
  3. Step 3: Cross multiply
    3,555.78x = 5,354.48 × 2,637.87
  4. Step 4: Simplify right side
    3,555.78x = 14,124,408.97
  5. Step 5: Solve for x
    x = 14,124,408.97/3,555.78
  6. Step 6: Final answer
    x = 3,972.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.