Home / 3,315.16-4,970.64-1,093.20

Finding the Fourth Proportional to 3,315.16, 4,970.64 and 1,093.20

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Solution

The fourth proportional to 3,315.16, 4,970.64 and 1,093.20 is: 1,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.16 : 4,970.64 = 1,093.20 : x
  2. Step 2: Convert to fraction form
    3,315.16/4,970.64 = 1,093.20/x
  3. Step 3: Cross multiply
    3,315.16x = 4,970.64 × 1,093.20
  4. Step 4: Simplify right side
    3,315.16x = 5,433,903.65
  5. Step 5: Solve for x
    x = 5,433,903.65/3,315.16
  6. Step 6: Final answer
    x = 1,639.11

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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.