Home / 2,990.59-4,474.95-1,758.58

Finding the Fourth Proportional to 2,990.59, 4,474.95 and 1,758.58

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Solution

The fourth proportional to 2,990.59, 4,474.95 and 1,758.58 is: 2,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.59 : 4,474.95 = 1,758.58 : x
  2. Step 2: Convert to fraction form
    2,990.59/4,474.95 = 1,758.58/x
  3. Step 3: Cross multiply
    2,990.59x = 4,474.95 × 1,758.58
  4. Step 4: Simplify right side
    2,990.59x = 7,869,557.57
  5. Step 5: Solve for x
    x = 7,869,557.57/2,990.59
  6. Step 6: Final answer
    x = 2,631.44

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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.