Home / 3,012.40-4,518.64-1,063.24

Finding the Fourth Proportional to 3,012.40, 4,518.64 and 1,063.24

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Solution

The fourth proportional to 3,012.40, 4,518.64 and 1,063.24 is: 1,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.40 : 4,518.64 = 1,063.24 : x
  2. Step 2: Convert to fraction form
    3,012.40/4,518.64 = 1,063.24/x
  3. Step 3: Cross multiply
    3,012.40x = 4,518.64 × 1,063.24
  4. Step 4: Simplify right side
    3,012.40x = 4,804,384.84
  5. Step 5: Solve for x
    x = 4,804,384.84/3,012.40
  6. Step 6: Final answer
    x = 1,594.87

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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.