Home / 2,276.11-3,420.89-1,888.62

Finding the Fourth Proportional to 2,276.11, 3,420.89 and 1,888.62

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Solution

The fourth proportional to 2,276.11, 3,420.89 and 1,888.62 is: 2,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.11 : 3,420.89 = 1,888.62 : x
  2. Step 2: Convert to fraction form
    2,276.11/3,420.89 = 1,888.62/x
  3. Step 3: Cross multiply
    2,276.11x = 3,420.89 × 1,888.62
  4. Step 4: Simplify right side
    2,276.11x = 6,460,761.27
  5. Step 5: Solve for x
    x = 6,460,761.27/2,276.11
  6. Step 6: Final answer
    x = 2,838.51

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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.