Home / 2,539.08-3,809.70-1,615.68

Finding the Fourth Proportional to 2,539.08, 3,809.70 and 1,615.68

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Solution

The fourth proportional to 2,539.08, 3,809.70 and 1,615.68 is: 2,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.08 : 3,809.70 = 1,615.68 : x
  2. Step 2: Convert to fraction form
    2,539.08/3,809.70 = 1,615.68/x
  3. Step 3: Cross multiply
    2,539.08x = 3,809.70 × 1,615.68
  4. Step 4: Simplify right side
    2,539.08x = 6,155,256.10
  5. Step 5: Solve for x
    x = 6,155,256.10/2,539.08
  6. Step 6: Final answer
    x = 2,424.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.