Home / 2,025.81-2,794.23-1,240.25

Finding the Fourth Proportional to 2,025.81, 2,794.23 and 1,240.25

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Solution

The fourth proportional to 2,025.81, 2,794.23 and 1,240.25 is: 1,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.81 : 2,794.23 = 1,240.25 : x
  2. Step 2: Convert to fraction form
    2,025.81/2,794.23 = 1,240.25/x
  3. Step 3: Cross multiply
    2,025.81x = 2,794.23 × 1,240.25
  4. Step 4: Simplify right side
    2,025.81x = 3,465,529.79
  5. Step 5: Solve for x
    x = 3,465,529.79/2,025.81
  6. Step 6: Final answer
    x = 1,710.69

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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.