Home / 1,341.60-2,012.85-610.98

Finding the Fourth Proportional to 1,341.60, 2,012.85 and 610.98

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Solution

The fourth proportional to 1,341.60, 2,012.85 and 610.98 is: 916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.60 : 2,012.85 = 610.98 : x
  2. Step 2: Convert to fraction form
    1,341.60/2,012.85 = 610.98/x
  3. Step 3: Cross multiply
    1,341.60x = 2,012.85 × 610.98
  4. Step 4: Simplify right side
    1,341.60x = 1,229,811.09
  5. Step 5: Solve for x
    x = 1,229,811.09/1,341.60
  6. Step 6: Final answer
    x = 916.67

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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.