Home / 2,403.45-3,314.21-1,898.42

Finding the Fourth Proportional to 2,403.45, 3,314.21 and 1,898.42

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Solution

The fourth proportional to 2,403.45, 3,314.21 and 1,898.42 is: 2,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.45 : 3,314.21 = 1,898.42 : x
  2. Step 2: Convert to fraction form
    2,403.45/3,314.21 = 1,898.42/x
  3. Step 3: Cross multiply
    2,403.45x = 3,314.21 × 1,898.42
  4. Step 4: Simplify right side
    2,403.45x = 6,291,748.91
  5. Step 5: Solve for x
    x = 6,291,748.91/2,403.45
  6. Step 6: Final answer
    x = 2,617.79

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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.