Home / 1,341.21-2,011.79-610.98

Finding the Fourth Proportional to 1,341.21, 2,011.79 and 610.98

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Solution

The fourth proportional to 1,341.21, 2,011.79 and 610.98 is: 916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.21 : 2,011.79 = 610.98 : x
  2. Step 2: Convert to fraction form
    1,341.21/2,011.79 = 610.98/x
  3. Step 3: Cross multiply
    1,341.21x = 2,011.79 × 610.98
  4. Step 4: Simplify right side
    1,341.21x = 1,229,160.40
  5. Step 5: Solve for x
    x = 1,229,160.40/1,341.21
  6. Step 6: Final answer
    x = 916.46

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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.