Home / 3,488.26-4,813.80-1,916.45

Finding the Fourth Proportional to 3,488.26, 4,813.80 and 1,916.45

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Solution

The fourth proportional to 3,488.26, 4,813.80 and 1,916.45 is: 2,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.26 : 4,813.80 = 1,916.45 : x
  2. Step 2: Convert to fraction form
    3,488.26/4,813.80 = 1,916.45/x
  3. Step 3: Cross multiply
    3,488.26x = 4,813.80 × 1,916.45
  4. Step 4: Simplify right side
    3,488.26x = 9,225,407.01
  5. Step 5: Solve for x
    x = 9,225,407.01/3,488.26
  6. Step 6: Final answer
    x = 2,644.70

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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.