Home / 3,488.64-4,814.15-1,916.43

Finding the Fourth Proportional to 3,488.64, 4,814.15 and 1,916.43

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Solution

The fourth proportional to 3,488.64, 4,814.15 and 1,916.43 is: 2,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.64 : 4,814.15 = 1,916.43 : x
  2. Step 2: Convert to fraction form
    3,488.64/4,814.15 = 1,916.43/x
  3. Step 3: Cross multiply
    3,488.64x = 4,814.15 × 1,916.43
  4. Step 4: Simplify right side
    3,488.64x = 9,225,971.90
  5. Step 5: Solve for x
    x = 9,225,971.90/3,488.64
  6. Step 6: Final answer
    x = 2,644.58

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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.