Home / 1,948.24-2,924.70-1,491.40

Finding the Fourth Proportional to 1,948.24, 2,924.70 and 1,491.40

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Solution

The fourth proportional to 1,948.24, 2,924.70 and 1,491.40 is: 2,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.24 : 2,924.70 = 1,491.40 : x
  2. Step 2: Convert to fraction form
    1,948.24/2,924.70 = 1,491.40/x
  3. Step 3: Cross multiply
    1,948.24x = 2,924.70 × 1,491.40
  4. Step 4: Simplify right side
    1,948.24x = 4,361,897.58
  5. Step 5: Solve for x
    x = 4,361,897.58/1,948.24
  6. Step 6: Final answer
    x = 2,238.89

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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.