Home / 2,730.08-4,094.16-1,561.76

Finding the Fourth Proportional to 2,730.08, 4,094.16 and 1,561.76

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Solution

The fourth proportional to 2,730.08, 4,094.16 and 1,561.76 is: 2,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.08 : 4,094.16 = 1,561.76 : x
  2. Step 2: Convert to fraction form
    2,730.08/4,094.16 = 1,561.76/x
  3. Step 3: Cross multiply
    2,730.08x = 4,094.16 × 1,561.76
  4. Step 4: Simplify right side
    2,730.08x = 6,394,095.32
  5. Step 5: Solve for x
    x = 6,394,095.32/2,730.08
  6. Step 6: Final answer
    x = 2,342.09

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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.