Home / 3,531.05-4,873.47-2,038.76

Finding the Fourth Proportional to 3,531.05, 4,873.47 and 2,038.76

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Solution

The fourth proportional to 3,531.05, 4,873.47 and 2,038.76 is: 2,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.05 : 4,873.47 = 2,038.76 : x
  2. Step 2: Convert to fraction form
    3,531.05/4,873.47 = 2,038.76/x
  3. Step 3: Cross multiply
    3,531.05x = 4,873.47 × 2,038.76
  4. Step 4: Simplify right side
    3,531.05x = 9,935,811.33
  5. Step 5: Solve for x
    x = 9,935,811.33/3,531.05
  6. Step 6: Final answer
    x = 2,813.84

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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.