Home / 2,438.43-3,366.05-1,780.26

Finding the Fourth Proportional to 2,438.43, 3,366.05 and 1,780.26

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Solution

The fourth proportional to 2,438.43, 3,366.05 and 1,780.26 is: 2,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.43 : 3,366.05 = 1,780.26 : x
  2. Step 2: Convert to fraction form
    2,438.43/3,366.05 = 1,780.26/x
  3. Step 3: Cross multiply
    2,438.43x = 3,366.05 × 1,780.26
  4. Step 4: Simplify right side
    2,438.43x = 5,992,435.27
  5. Step 5: Solve for x
    x = 5,992,435.27/2,438.43
  6. Step 6: Final answer
    x = 2,457.50

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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.