Home / 1,845.18-2,770.20-1,297.62

Finding the Fourth Proportional to 1,845.18, 2,770.20 and 1,297.62

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Solution

The fourth proportional to 1,845.18, 2,770.20 and 1,297.62 is: 1,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.18 : 2,770.20 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    1,845.18/2,770.20 = 1,297.62/x
  3. Step 3: Cross multiply
    1,845.18x = 2,770.20 × 1,297.62
  4. Step 4: Simplify right side
    1,845.18x = 3,594,666.92
  5. Step 5: Solve for x
    x = 3,594,666.92/1,845.18
  6. Step 6: Final answer
    x = 1,948.14

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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.