Home / 2,859.34-4,287.20-1,607.96

Finding the Fourth Proportional to 2,859.34, 4,287.20 and 1,607.96

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Solution

The fourth proportional to 2,859.34, 4,287.20 and 1,607.96 is: 2,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.34 : 4,287.20 = 1,607.96 : x
  2. Step 2: Convert to fraction form
    2,859.34/4,287.20 = 1,607.96/x
  3. Step 3: Cross multiply
    2,859.34x = 4,287.20 × 1,607.96
  4. Step 4: Simplify right side
    2,859.34x = 6,893,646.11
  5. Step 5: Solve for x
    x = 6,893,646.11/2,859.34
  6. Step 6: Final answer
    x = 2,410.92

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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.