Home / 2,280.80-3,421.65-1,030.77

Finding the Fourth Proportional to 2,280.80, 3,421.65 and 1,030.77

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Solution

The fourth proportional to 2,280.80, 3,421.65 and 1,030.77 is: 1,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.80 : 3,421.65 = 1,030.77 : x
  2. Step 2: Convert to fraction form
    2,280.80/3,421.65 = 1,030.77/x
  3. Step 3: Cross multiply
    2,280.80x = 3,421.65 × 1,030.77
  4. Step 4: Simplify right side
    2,280.80x = 3,526,934.17
  5. Step 5: Solve for x
    x = 3,526,934.17/2,280.80
  6. Step 6: Final answer
    x = 1,546.36

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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.