Home / 3,828.21-5,280.03-2,568.93

Finding the Fourth Proportional to 3,828.21, 5,280.03 and 2,568.93

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Solution

The fourth proportional to 3,828.21, 5,280.03 and 2,568.93 is: 3,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.21 : 5,280.03 = 2,568.93 : x
  2. Step 2: Convert to fraction form
    3,828.21/5,280.03 = 2,568.93/x
  3. Step 3: Cross multiply
    3,828.21x = 5,280.03 × 2,568.93
  4. Step 4: Simplify right side
    3,828.21x = 13,564,027.47
  5. Step 5: Solve for x
    x = 13,564,027.47/3,828.21
  6. Step 6: Final answer
    x = 3,543.18

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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.