Home / 2,345.32-3,515.89-1,512.68

Finding the Fourth Proportional to 2,345.32, 3,515.89 and 1,512.68

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Solution

The fourth proportional to 2,345.32, 3,515.89 and 1,512.68 is: 2,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.32 : 3,515.89 = 1,512.68 : x
  2. Step 2: Convert to fraction form
    2,345.32/3,515.89 = 1,512.68/x
  3. Step 3: Cross multiply
    2,345.32x = 3,515.89 × 1,512.68
  4. Step 4: Simplify right side
    2,345.32x = 5,318,416.49
  5. Step 5: Solve for x
    x = 5,318,416.49/2,345.32
  6. Step 6: Final answer
    x = 2,267.67

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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.