Home / 2,430.18-3,644.91-1,948.98

Finding the Fourth Proportional to 2,430.18, 3,644.91 and 1,948.98

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Solution

The fourth proportional to 2,430.18, 3,644.91 and 1,948.98 is: 2,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.18 : 3,644.91 = 1,948.98 : x
  2. Step 2: Convert to fraction form
    2,430.18/3,644.91 = 1,948.98/x
  3. Step 3: Cross multiply
    2,430.18x = 3,644.91 × 1,948.98
  4. Step 4: Simplify right side
    2,430.18x = 7,103,856.69
  5. Step 5: Solve for x
    x = 7,103,856.69/2,430.18
  6. Step 6: Final answer
    x = 2,923.18

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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.