Home / 3,287.60-4,533.48-2,106.56

Finding the Fourth Proportional to 3,287.60, 4,533.48 and 2,106.56

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Solution

The fourth proportional to 3,287.60, 4,533.48 and 2,106.56 is: 2,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.60 : 4,533.48 = 2,106.56 : x
  2. Step 2: Convert to fraction form
    3,287.60/4,533.48 = 2,106.56/x
  3. Step 3: Cross multiply
    3,287.60x = 4,533.48 × 2,106.56
  4. Step 4: Simplify right side
    3,287.60x = 9,550,047.63
  5. Step 5: Solve for x
    x = 9,550,047.63/3,287.60
  6. Step 6: Final answer
    x = 2,904.87

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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.