Home / 2,730.60-4,095.90-2,579.40

Finding the Fourth Proportional to 2,730.60, 4,095.90 and 2,579.40

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Solution

The fourth proportional to 2,730.60, 4,095.90 and 2,579.40 is: 3,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.60 : 4,095.90 = 2,579.40 : x
  2. Step 2: Convert to fraction form
    2,730.60/4,095.90 = 2,579.40/x
  3. Step 3: Cross multiply
    2,730.60x = 4,095.90 × 2,579.40
  4. Step 4: Simplify right side
    2,730.60x = 10,564,964.46
  5. Step 5: Solve for x
    x = 10,564,964.46/2,730.60
  6. Step 6: Final answer
    x = 3,869.10

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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.