Home / 3,689.65-5,539.64-2,298.93

Finding the Fourth Proportional to 3,689.65, 5,539.64 and 2,298.93

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Solution

The fourth proportional to 3,689.65, 5,539.64 and 2,298.93 is: 3,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.65 : 5,539.64 = 2,298.93 : x
  2. Step 2: Convert to fraction form
    3,689.65/5,539.64 = 2,298.93/x
  3. Step 3: Cross multiply
    3,689.65x = 5,539.64 × 2,298.93
  4. Step 4: Simplify right side
    3,689.65x = 12,735,256.41
  5. Step 5: Solve for x
    x = 12,735,256.41/3,689.65
  6. Step 6: Final answer
    x = 3,451.62

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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.