Home / 2,280.84-3,421.23-1,110.66

Finding the Fourth Proportional to 2,280.84, 3,421.23 and 1,110.66

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Solution

The fourth proportional to 2,280.84, 3,421.23 and 1,110.66 is: 1,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.84 : 3,421.23 = 1,110.66 : x
  2. Step 2: Convert to fraction form
    2,280.84/3,421.23 = 1,110.66/x
  3. Step 3: Cross multiply
    2,280.84x = 3,421.23 × 1,110.66
  4. Step 4: Simplify right side
    2,280.84x = 3,799,823.31
  5. Step 5: Solve for x
    x = 3,799,823.31/2,280.84
  6. Step 6: Final answer
    x = 1,665.98

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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.