Home / 2,554.29-3,829.34-909.90

Finding the Fourth Proportional to 2,554.29, 3,829.34 and 909.90

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Solution

The fourth proportional to 2,554.29, 3,829.34 and 909.90 is: 1,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.29 : 3,829.34 = 909.90 : x
  2. Step 2: Convert to fraction form
    2,554.29/3,829.34 = 909.90/x
  3. Step 3: Cross multiply
    2,554.29x = 3,829.34 × 909.90
  4. Step 4: Simplify right side
    2,554.29x = 3,484,318.74
  5. Step 5: Solve for x
    x = 3,484,318.74/2,554.29
  6. Step 6: Final answer
    x = 1,364.10

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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.