Home / 3,070.16-4,606.32-1,122.56

Finding the Fourth Proportional to 3,070.16, 4,606.32 and 1,122.56

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Solution

The fourth proportional to 3,070.16, 4,606.32 and 1,122.56 is: 1,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.16 : 4,606.32 = 1,122.56 : x
  2. Step 2: Convert to fraction form
    3,070.16/4,606.32 = 1,122.56/x
  3. Step 3: Cross multiply
    3,070.16x = 4,606.32 × 1,122.56
  4. Step 4: Simplify right side
    3,070.16x = 5,170,870.58
  5. Step 5: Solve for x
    x = 5,170,870.58/3,070.16
  6. Step 6: Final answer
    x = 1,684.23

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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.