Home / 2,454.21-3,681.35-2,263.78

Finding the Fourth Proportional to 2,454.21, 3,681.35 and 2,263.78

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Solution

The fourth proportional to 2,454.21, 3,681.35 and 2,263.78 is: 3,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.21 : 3,681.35 = 2,263.78 : x
  2. Step 2: Convert to fraction form
    2,454.21/3,681.35 = 2,263.78/x
  3. Step 3: Cross multiply
    2,454.21x = 3,681.35 × 2,263.78
  4. Step 4: Simplify right side
    2,454.21x = 8,333,768.27
  5. Step 5: Solve for x
    x = 8,333,768.27/2,454.21
  6. Step 6: Final answer
    x = 3,395.70

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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.