Home / 4,036.20-6,054.60-1,438.80

Finding the Fourth Proportional to 4,036.20, 6,054.60 and 1,438.80

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Solution

The fourth proportional to 4,036.20, 6,054.60 and 1,438.80 is: 2,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,036.20 : 6,054.60 = 1,438.80 : x
  2. Step 2: Convert to fraction form
    4,036.20/6,054.60 = 1,438.80/x
  3. Step 3: Cross multiply
    4,036.20x = 6,054.60 × 1,438.80
  4. Step 4: Simplify right side
    4,036.20x = 8,711,358.48
  5. Step 5: Solve for x
    x = 8,711,358.48/4,036.20
  6. Step 6: Final answer
    x = 2,158.31

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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.