Home / 2,418.99-3,337.16-1,423.95

Finding the Fourth Proportional to 2,418.99, 3,337.16 and 1,423.95

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Solution

The fourth proportional to 2,418.99, 3,337.16 and 1,423.95 is: 1,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.99 : 3,337.16 = 1,423.95 : x
  2. Step 2: Convert to fraction form
    2,418.99/3,337.16 = 1,423.95/x
  3. Step 3: Cross multiply
    2,418.99x = 3,337.16 × 1,423.95
  4. Step 4: Simplify right side
    2,418.99x = 4,751,941.86
  5. Step 5: Solve for x
    x = 4,751,941.86/2,418.99
  6. Step 6: Final answer
    x = 1,964.43

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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.