Home / 2,418.21-3,337.26-1,370.07

Finding the Fourth Proportional to 2,418.21, 3,337.26 and 1,370.07

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Solution

The fourth proportional to 2,418.21, 3,337.26 and 1,370.07 is: 1,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.21 : 3,337.26 = 1,370.07 : x
  2. Step 2: Convert to fraction form
    2,418.21/3,337.26 = 1,370.07/x
  3. Step 3: Cross multiply
    2,418.21x = 3,337.26 × 1,370.07
  4. Step 4: Simplify right side
    2,418.21x = 4,572,279.81
  5. Step 5: Solve for x
    x = 4,572,279.81/2,418.21
  6. Step 6: Final answer
    x = 1,890.77

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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.