Home / 2,346.32-3,519.55-1,113.09

Finding the Fourth Proportional to 2,346.32, 3,519.55 and 1,113.09

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Solution

The fourth proportional to 2,346.32, 3,519.55 and 1,113.09 is: 1,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.32 : 3,519.55 = 1,113.09 : x
  2. Step 2: Convert to fraction form
    2,346.32/3,519.55 = 1,113.09/x
  3. Step 3: Cross multiply
    2,346.32x = 3,519.55 × 1,113.09
  4. Step 4: Simplify right side
    2,346.32x = 3,917,583.90
  5. Step 5: Solve for x
    x = 3,917,583.90/2,346.32
  6. Step 6: Final answer
    x = 1,669.67

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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.