Home / 4,087.80-6,123.60-2,439.45

Finding the Fourth Proportional to 4,087.80, 6,123.60 and 2,439.45

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Solution

The fourth proportional to 4,087.80, 6,123.60 and 2,439.45 is: 3,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.80 : 6,123.60 = 2,439.45 : x
  2. Step 2: Convert to fraction form
    4,087.80/6,123.60 = 2,439.45/x
  3. Step 3: Cross multiply
    4,087.80x = 6,123.60 × 2,439.45
  4. Step 4: Simplify right side
    4,087.80x = 14,938,216.02
  5. Step 5: Solve for x
    x = 14,938,216.02/4,087.80
  6. Step 6: Final answer
    x = 3,654.34

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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.