Home / 2,442.18-3,370.14-1,379.99

Finding the Fourth Proportional to 2,442.18, 3,370.14 and 1,379.99

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Solution

The fourth proportional to 2,442.18, 3,370.14 and 1,379.99 is: 1,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.18 : 3,370.14 = 1,379.99 : x
  2. Step 2: Convert to fraction form
    2,442.18/3,370.14 = 1,379.99/x
  3. Step 3: Cross multiply
    2,442.18x = 3,370.14 × 1,379.99
  4. Step 4: Simplify right side
    2,442.18x = 4,650,759.50
  5. Step 5: Solve for x
    x = 4,650,759.50/2,442.18
  6. Step 6: Final answer
    x = 1,904.35

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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.