Home / 2,938.01-4,053.65-1,890.68

Finding the Fourth Proportional to 2,938.01, 4,053.65 and 1,890.68

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Solution

The fourth proportional to 2,938.01, 4,053.65 and 1,890.68 is: 2,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.01 : 4,053.65 = 1,890.68 : x
  2. Step 2: Convert to fraction form
    2,938.01/4,053.65 = 1,890.68/x
  3. Step 3: Cross multiply
    2,938.01x = 4,053.65 × 1,890.68
  4. Step 4: Simplify right side
    2,938.01x = 7,664,125.26
  5. Step 5: Solve for x
    x = 7,664,125.26/2,938.01
  6. Step 6: Final answer
    x = 2,608.62

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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.