Home / 3,263.12-4,896.32-1,315.36

Finding the Fourth Proportional to 3,263.12, 4,896.32 and 1,315.36

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Solution

The fourth proportional to 3,263.12, 4,896.32 and 1,315.36 is: 1,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.12 : 4,896.32 = 1,315.36 : x
  2. Step 2: Convert to fraction form
    3,263.12/4,896.32 = 1,315.36/x
  3. Step 3: Cross multiply
    3,263.12x = 4,896.32 × 1,315.36
  4. Step 4: Simplify right side
    3,263.12x = 6,440,423.48
  5. Step 5: Solve for x
    x = 6,440,423.48/3,263.12
  6. Step 6: Final answer
    x = 1,973.70

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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.