Home / 2,947.98-4,065.95-1,829.58

Finding the Fourth Proportional to 2,947.98, 4,065.95 and 1,829.58

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Solution

The fourth proportional to 2,947.98, 4,065.95 and 1,829.58 is: 2,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.98 : 4,065.95 = 1,829.58 : x
  2. Step 2: Convert to fraction form
    2,947.98/4,065.95 = 1,829.58/x
  3. Step 3: Cross multiply
    2,947.98x = 4,065.95 × 1,829.58
  4. Step 4: Simplify right side
    2,947.98x = 7,438,971.65
  5. Step 5: Solve for x
    x = 7,438,971.65/2,947.98
  6. Step 6: Final answer
    x = 2,523.41

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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.