Home / 2,909.08-4,014.12-1,730.62

Finding the Fourth Proportional to 2,909.08, 4,014.12 and 1,730.62

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Solution

The fourth proportional to 2,909.08, 4,014.12 and 1,730.62 is: 2,388.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.08 : 4,014.12 = 1,730.62 : x
  2. Step 2: Convert to fraction form
    2,909.08/4,014.12 = 1,730.62/x
  3. Step 3: Cross multiply
    2,909.08x = 4,014.12 × 1,730.62
  4. Step 4: Simplify right side
    2,909.08x = 6,946,916.35
  5. Step 5: Solve for x
    x = 6,946,916.35/2,909.08
  6. Step 6: Final answer
    x = 2,388.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.