Home / 2,346.77-3,519.45-1,113.75

Finding the Fourth Proportional to 2,346.77, 3,519.45 and 1,113.75

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Solution

The fourth proportional to 2,346.77, 3,519.45 and 1,113.75 is: 1,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.77 : 3,519.45 = 1,113.75 : x
  2. Step 2: Convert to fraction form
    2,346.77/3,519.45 = 1,113.75/x
  3. Step 3: Cross multiply
    2,346.77x = 3,519.45 × 1,113.75
  4. Step 4: Simplify right side
    2,346.77x = 3,919,787.44
  5. Step 5: Solve for x
    x = 3,919,787.44/2,346.77
  6. Step 6: Final answer
    x = 1,670.29

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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.