Home / 3,758.08-5,638.56-1,417.92

Finding the Fourth Proportional to 3,758.08, 5,638.56 and 1,417.92

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Solution

The fourth proportional to 3,758.08, 5,638.56 and 1,417.92 is: 2,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.08 : 5,638.56 = 1,417.92 : x
  2. Step 2: Convert to fraction form
    3,758.08/5,638.56 = 1,417.92/x
  3. Step 3: Cross multiply
    3,758.08x = 5,638.56 × 1,417.92
  4. Step 4: Simplify right side
    3,758.08x = 7,995,027.00
  5. Step 5: Solve for x
    x = 7,995,027.00/3,758.08
  6. Step 6: Final answer
    x = 2,127.42

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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.