Home / 3,259.68-4,881.60-1,528.80

Finding the Fourth Proportional to 3,259.68, 4,881.60 and 1,528.80

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Solution

The fourth proportional to 3,259.68, 4,881.60 and 1,528.80 is: 2,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.68 : 4,881.60 = 1,528.80 : x
  2. Step 2: Convert to fraction form
    3,259.68/4,881.60 = 1,528.80/x
  3. Step 3: Cross multiply
    3,259.68x = 4,881.60 × 1,528.80
  4. Step 4: Simplify right side
    3,259.68x = 7,462,990.08
  5. Step 5: Solve for x
    x = 7,462,990.08/3,259.68
  6. Step 6: Final answer
    x = 2,289.49

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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.