Home / 3,531.05-4,872.80-2,038.93

Finding the Fourth Proportional to 3,531.05, 4,872.80 and 2,038.93

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Solution

The fourth proportional to 3,531.05, 4,872.80 and 2,038.93 is: 2,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.05 : 4,872.80 = 2,038.93 : x
  2. Step 2: Convert to fraction form
    3,531.05/4,872.80 = 2,038.93/x
  3. Step 3: Cross multiply
    3,531.05x = 4,872.80 × 2,038.93
  4. Step 4: Simplify right side
    3,531.05x = 9,935,321.30
  5. Step 5: Solve for x
    x = 9,935,321.30/3,531.05
  6. Step 6: Final answer
    x = 2,813.70

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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.