Home / 2,257.84-3,387.77-1,435.90

Finding the Fourth Proportional to 2,257.84, 3,387.77 and 1,435.90

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Solution

The fourth proportional to 2,257.84, 3,387.77 and 1,435.90 is: 2,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.84 : 3,387.77 = 1,435.90 : x
  2. Step 2: Convert to fraction form
    2,257.84/3,387.77 = 1,435.90/x
  3. Step 3: Cross multiply
    2,257.84x = 3,387.77 × 1,435.90
  4. Step 4: Simplify right side
    2,257.84x = 4,864,498.94
  5. Step 5: Solve for x
    x = 4,864,498.94/2,257.84
  6. Step 6: Final answer
    x = 2,154.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.