Home / 2,947.46-4,068.68-1,829.66

Finding the Fourth Proportional to 2,947.46, 4,068.68 and 1,829.66

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Solution

The fourth proportional to 2,947.46, 4,068.68 and 1,829.66 is: 2,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.46 : 4,068.68 = 1,829.66 : x
  2. Step 2: Convert to fraction form
    2,947.46/4,068.68 = 1,829.66/x
  3. Step 3: Cross multiply
    2,947.46x = 4,068.68 × 1,829.66
  4. Step 4: Simplify right side
    2,947.46x = 7,444,271.56
  5. Step 5: Solve for x
    x = 7,444,271.56/2,947.46
  6. Step 6: Final answer
    x = 2,525.66

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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.