Home / 3,554.97-4,900.65-2,807.75

Finding the Fourth Proportional to 3,554.97, 4,900.65 and 2,807.75

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Solution

The fourth proportional to 3,554.97, 4,900.65 and 2,807.75 is: 3,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.97 : 4,900.65 = 2,807.75 : x
  2. Step 2: Convert to fraction form
    3,554.97/4,900.65 = 2,807.75/x
  3. Step 3: Cross multiply
    3,554.97x = 4,900.65 × 2,807.75
  4. Step 4: Simplify right side
    3,554.97x = 13,759,775.53
  5. Step 5: Solve for x
    x = 13,759,775.53/3,554.97
  6. Step 6: Final answer
    x = 3,870.57

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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.