Home / 3,758.02-5,630.85-1,291.49

Finding the Fourth Proportional to 3,758.02, 5,630.85 and 1,291.49

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Solution

The fourth proportional to 3,758.02, 5,630.85 and 1,291.49 is: 1,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.02 : 5,630.85 = 1,291.49 : x
  2. Step 2: Convert to fraction form
    3,758.02/5,630.85 = 1,291.49/x
  3. Step 3: Cross multiply
    3,758.02x = 5,630.85 × 1,291.49
  4. Step 4: Simplify right side
    3,758.02x = 7,272,180.01
  5. Step 5: Solve for x
    x = 7,272,180.01/3,758.02
  6. Step 6: Final answer
    x = 1,935.11

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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.