Home / 3,700.28-5,106.16-2,208.18

Finding the Fourth Proportional to 3,700.28, 5,106.16 and 2,208.18

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Solution

The fourth proportional to 3,700.28, 5,106.16 and 2,208.18 is: 3,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.28 : 5,106.16 = 2,208.18 : x
  2. Step 2: Convert to fraction form
    3,700.28/5,106.16 = 2,208.18/x
  3. Step 3: Cross multiply
    3,700.28x = 5,106.16 × 2,208.18
  4. Step 4: Simplify right side
    3,700.28x = 11,275,314.87
  5. Step 5: Solve for x
    x = 11,275,314.87/3,700.28
  6. Step 6: Final answer
    x = 3,047.16

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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.