Home / 2,025.10-2,794.80-1,140.85

Finding the Fourth Proportional to 2,025.10, 2,794.80 and 1,140.85

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Solution

The fourth proportional to 2,025.10, 2,794.80 and 1,140.85 is: 1,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.10 : 2,794.80 = 1,140.85 : x
  2. Step 2: Convert to fraction form
    2,025.10/2,794.80 = 1,140.85/x
  3. Step 3: Cross multiply
    2,025.10x = 2,794.80 × 1,140.85
  4. Step 4: Simplify right side
    2,025.10x = 3,188,447.58
  5. Step 5: Solve for x
    x = 3,188,447.58/2,025.10
  6. Step 6: Final answer
    x = 1,574.46

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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.