Home / 2,030.86-2,799.66-1,331.02

Finding the Fourth Proportional to 2,030.86, 2,799.66 and 1,331.02

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Solution

The fourth proportional to 2,030.86, 2,799.66 and 1,331.02 is: 1,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.86 : 2,799.66 = 1,331.02 : x
  2. Step 2: Convert to fraction form
    2,030.86/2,799.66 = 1,331.02/x
  3. Step 3: Cross multiply
    2,030.86x = 2,799.66 × 1,331.02
  4. Step 4: Simplify right side
    2,030.86x = 3,726,403.45
  5. Step 5: Solve for x
    x = 3,726,403.45/2,030.86
  6. Step 6: Final answer
    x = 1,834.89

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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.