Home / 2,735.80-4,103.70-2,577.40

Finding the Fourth Proportional to 2,735.80, 4,103.70 and 2,577.40

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Solution

The fourth proportional to 2,735.80, 4,103.70 and 2,577.40 is: 3,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.80 : 4,103.70 = 2,577.40 : x
  2. Step 2: Convert to fraction form
    2,735.80/4,103.70 = 2,577.40/x
  3. Step 3: Cross multiply
    2,735.80x = 4,103.70 × 2,577.40
  4. Step 4: Simplify right side
    2,735.80x = 10,576,876.38
  5. Step 5: Solve for x
    x = 10,576,876.38/2,735.80
  6. Step 6: Final answer
    x = 3,866.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.