Home / 3,758.60-5,643.30-2,937.80

Finding the Fourth Proportional to 3,758.60, 5,643.30 and 2,937.80

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Solution

The fourth proportional to 3,758.60, 5,643.30 and 2,937.80 is: 4,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.60 : 5,643.30 = 2,937.80 : x
  2. Step 2: Convert to fraction form
    3,758.60/5,643.30 = 2,937.80/x
  3. Step 3: Cross multiply
    3,758.60x = 5,643.30 × 2,937.80
  4. Step 4: Simplify right side
    3,758.60x = 16,578,886.74
  5. Step 5: Solve for x
    x = 16,578,886.74/3,758.60
  6. Step 6: Final answer
    x = 4,410.92

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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.