Home / 4,254.45-5,870.28-2,485.71

Finding the Fourth Proportional to 4,254.45, 5,870.28 and 2,485.71

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Solution

The fourth proportional to 4,254.45, 5,870.28 and 2,485.71 is: 3,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.45 : 5,870.28 = 2,485.71 : x
  2. Step 2: Convert to fraction form
    4,254.45/5,870.28 = 2,485.71/x
  3. Step 3: Cross multiply
    4,254.45x = 5,870.28 × 2,485.71
  4. Step 4: Simplify right side
    4,254.45x = 14,591,813.70
  5. Step 5: Solve for x
    x = 14,591,813.70/4,254.45
  6. Step 6: Final answer
    x = 3,429.78

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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.