Home / 3,700.15-5,106.06-2,107.02

Finding the Fourth Proportional to 3,700.15, 5,106.06 and 2,107.02

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Solution

The fourth proportional to 3,700.15, 5,106.06 and 2,107.02 is: 2,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.15 : 5,106.06 = 2,107.02 : x
  2. Step 2: Convert to fraction form
    3,700.15/5,106.06 = 2,107.02/x
  3. Step 3: Cross multiply
    3,700.15x = 5,106.06 × 2,107.02
  4. Step 4: Simplify right side
    3,700.15x = 10,758,545.01
  5. Step 5: Solve for x
    x = 10,758,545.01/3,700.15
  6. Step 6: Final answer
    x = 2,907.60

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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.