Home / 2,448.47-3,379.41-1,916.30

Finding the Fourth Proportional to 2,448.47, 3,379.41 and 1,916.30

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Solution

The fourth proportional to 2,448.47, 3,379.41 and 1,916.30 is: 2,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.47 : 3,379.41 = 1,916.30 : x
  2. Step 2: Convert to fraction form
    2,448.47/3,379.41 = 1,916.30/x
  3. Step 3: Cross multiply
    2,448.47x = 3,379.41 × 1,916.30
  4. Step 4: Simplify right side
    2,448.47x = 6,475,967.72
  5. Step 5: Solve for x
    x = 6,475,967.72/2,448.47
  6. Step 6: Final answer
    x = 2,644.90

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1.5x scale

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.