Home / 2,972.38-4,448.93-1,583.74

Finding the Fourth Proportional to 2,972.38, 4,448.93 and 1,583.74

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Solution

The fourth proportional to 2,972.38, 4,448.93 and 1,583.74 is: 2,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.38 : 4,448.93 = 1,583.74 : x
  2. Step 2: Convert to fraction form
    2,972.38/4,448.93 = 1,583.74/x
  3. Step 3: Cross multiply
    2,972.38x = 4,448.93 × 1,583.74
  4. Step 4: Simplify right side
    2,972.38x = 7,045,948.40
  5. Step 5: Solve for x
    x = 7,045,948.40/2,972.38
  6. Step 6: Final answer
    x = 2,370.47

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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.