Home / 3,749.28-5,621.58-1,801.08

Finding the Fourth Proportional to 3,749.28, 5,621.58 and 1,801.08

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Solution

The fourth proportional to 3,749.28, 5,621.58 and 1,801.08 is: 2,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.28 : 5,621.58 = 1,801.08 : x
  2. Step 2: Convert to fraction form
    3,749.28/5,621.58 = 1,801.08/x
  3. Step 3: Cross multiply
    3,749.28x = 5,621.58 × 1,801.08
  4. Step 4: Simplify right side
    3,749.28x = 10,124,915.31
  5. Step 5: Solve for x
    x = 10,124,915.31/3,749.28
  6. Step 6: Final answer
    x = 2,700.50

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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.