Home / 3,005.16-4,152.42-2,312.52

Finding the Fourth Proportional to 3,005.16, 4,152.42 and 2,312.52

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Solution

The fourth proportional to 3,005.16, 4,152.42 and 2,312.52 is: 3,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.16 : 4,152.42 = 2,312.52 : x
  2. Step 2: Convert to fraction form
    3,005.16/4,152.42 = 2,312.52/x
  3. Step 3: Cross multiply
    3,005.16x = 4,152.42 × 2,312.52
  4. Step 4: Simplify right side
    3,005.16x = 9,602,554.30
  5. Step 5: Solve for x
    x = 9,602,554.30/3,005.16
  6. Step 6: Final answer
    x = 3,195.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.