Home / 3,637.12-5,018.78-2,043.85

Finding the Fourth Proportional to 3,637.12, 5,018.78 and 2,043.85

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Solution

The fourth proportional to 3,637.12, 5,018.78 and 2,043.85 is: 2,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.12 : 5,018.78 = 2,043.85 : x
  2. Step 2: Convert to fraction form
    3,637.12/5,018.78 = 2,043.85/x
  3. Step 3: Cross multiply
    3,637.12x = 5,018.78 × 2,043.85
  4. Step 4: Simplify right side
    3,637.12x = 10,257,598.19
  5. Step 5: Solve for x
    x = 10,257,598.19/3,637.12
  6. Step 6: Final answer
    x = 2,820.26

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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.