Home / 2,025.57-3,038.76-726.93

Finding the Fourth Proportional to 2,025.57, 3,038.76 and 726.93

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Solution

The fourth proportional to 2,025.57, 3,038.76 and 726.93 is: 1,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.57 : 3,038.76 = 726.93 : x
  2. Step 2: Convert to fraction form
    2,025.57/3,038.76 = 726.93/x
  3. Step 3: Cross multiply
    2,025.57x = 3,038.76 × 726.93
  4. Step 4: Simplify right side
    2,025.57x = 2,208,965.81
  5. Step 5: Solve for x
    x = 2,208,965.81/2,025.57
  6. Step 6: Final answer
    x = 1,090.54

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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.