Home / 2,938.35-4,051.38-2,539.29

Finding the Fourth Proportional to 2,938.35, 4,051.38 and 2,539.29

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Solution

The fourth proportional to 2,938.35, 4,051.38 and 2,539.29 is: 3,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.35 : 4,051.38 = 2,539.29 : x
  2. Step 2: Convert to fraction form
    2,938.35/4,051.38 = 2,539.29/x
  3. Step 3: Cross multiply
    2,938.35x = 4,051.38 × 2,539.29
  4. Step 4: Simplify right side
    2,938.35x = 10,287,628.72
  5. Step 5: Solve for x
    x = 10,287,628.72/2,938.35
  6. Step 6: Final answer
    x = 3,501.16

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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.