Home / 3,774.12-5,660.10-1,308.30

Finding the Fourth Proportional to 3,774.12, 5,660.10 and 1,308.30

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Solution

The fourth proportional to 3,774.12, 5,660.10 and 1,308.30 is: 1,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.12 : 5,660.10 = 1,308.30 : x
  2. Step 2: Convert to fraction form
    3,774.12/5,660.10 = 1,308.30/x
  3. Step 3: Cross multiply
    3,774.12x = 5,660.10 × 1,308.30
  4. Step 4: Simplify right side
    3,774.12x = 7,405,108.83
  5. Step 5: Solve for x
    x = 7,405,108.83/3,774.12
  6. Step 6: Final answer
    x = 1,962.08

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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.