Home / 2,930.98-4,043.95-1,671.58

Finding the Fourth Proportional to 2,930.98, 4,043.95 and 1,671.58

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Solution

The fourth proportional to 2,930.98, 4,043.95 and 1,671.58 is: 2,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.98 : 4,043.95 = 1,671.58 : x
  2. Step 2: Convert to fraction form
    2,930.98/4,043.95 = 1,671.58/x
  3. Step 3: Cross multiply
    2,930.98x = 4,043.95 × 1,671.58
  4. Step 4: Simplify right side
    2,930.98x = 6,759,765.72
  5. Step 5: Solve for x
    x = 6,759,765.72/2,930.98
  6. Step 6: Final answer
    x = 2,306.32

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1.5x scale

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.