Home / 2,927.40-4,039.86-1,601.10

Finding the Fourth Proportional to 2,927.40, 4,039.86 and 1,601.10

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Solution

The fourth proportional to 2,927.40, 4,039.86 and 1,601.10 is: 2,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.40 : 4,039.86 = 1,601.10 : x
  2. Step 2: Convert to fraction form
    2,927.40/4,039.86 = 1,601.10/x
  3. Step 3: Cross multiply
    2,927.40x = 4,039.86 × 1,601.10
  4. Step 4: Simplify right side
    2,927.40x = 6,468,219.85
  5. Step 5: Solve for x
    x = 6,468,219.85/2,927.40
  6. Step 6: Final answer
    x = 2,209.54

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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.