Home / 3,248.60-4,875.77-1,689.68

Finding the Fourth Proportional to 3,248.60, 4,875.77 and 1,689.68

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Solution

The fourth proportional to 3,248.60, 4,875.77 and 1,689.68 is: 2,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.60 : 4,875.77 = 1,689.68 : x
  2. Step 2: Convert to fraction form
    3,248.60/4,875.77 = 1,689.68/x
  3. Step 3: Cross multiply
    3,248.60x = 4,875.77 × 1,689.68
  4. Step 4: Simplify right side
    3,248.60x = 8,238,458.23
  5. Step 5: Solve for x
    x = 8,238,458.23/3,248.60
  6. Step 6: Final answer
    x = 2,536.01

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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.