Home / 3,700.20-5,102.82-2,758.32

Finding the Fourth Proportional to 3,700.20, 5,102.82 and 2,758.32

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Solution

The fourth proportional to 3,700.20, 5,102.82 and 2,758.32 is: 3,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.20 : 5,102.82 = 2,758.32 : x
  2. Step 2: Convert to fraction form
    3,700.20/5,102.82 = 2,758.32/x
  3. Step 3: Cross multiply
    3,700.20x = 5,102.82 × 2,758.32
  4. Step 4: Simplify right side
    3,700.20x = 14,075,210.46
  5. Step 5: Solve for x
    x = 14,075,210.46/3,700.20
  6. Step 6: Final answer
    x = 3,803.91

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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.