Home / 2,280.60-3,421.26-982.98

Finding the Fourth Proportional to 2,280.60, 3,421.26 and 982.98

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Solution

The fourth proportional to 2,280.60, 3,421.26 and 982.98 is: 1,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.60 : 3,421.26 = 982.98 : x
  2. Step 2: Convert to fraction form
    2,280.60/3,421.26 = 982.98/x
  3. Step 3: Cross multiply
    2,280.60x = 3,421.26 × 982.98
  4. Step 4: Simplify right side
    2,280.60x = 3,363,030.15
  5. Step 5: Solve for x
    x = 3,363,030.15/2,280.60
  6. Step 6: Final answer
    x = 1,474.63

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1.5x scale

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.