Home / 2,228.90-3,341.52-841.44

Finding the Fourth Proportional to 2,228.90, 3,341.52 and 841.44

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Solution

The fourth proportional to 2,228.90, 3,341.52 and 841.44 is: 1,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.90 : 3,341.52 = 841.44 : x
  2. Step 2: Convert to fraction form
    2,228.90/3,341.52 = 841.44/x
  3. Step 3: Cross multiply
    2,228.90x = 3,341.52 × 841.44
  4. Step 4: Simplify right side
    2,228.90x = 2,811,688.59
  5. Step 5: Solve for x
    x = 2,811,688.59/2,228.90
  6. Step 6: Final answer
    x = 1,261.47

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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.