Home / 3,459.88-4,774.46-1,967.79

Finding the Fourth Proportional to 3,459.88, 4,774.46 and 1,967.79

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Solution

The fourth proportional to 3,459.88, 4,774.46 and 1,967.79 is: 2,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.88 : 4,774.46 = 1,967.79 : x
  2. Step 2: Convert to fraction form
    3,459.88/4,774.46 = 1,967.79/x
  3. Step 3: Cross multiply
    3,459.88x = 4,774.46 × 1,967.79
  4. Step 4: Simplify right side
    3,459.88x = 9,395,153.78
  5. Step 5: Solve for x
    x = 9,395,153.78/3,459.88
  6. Step 6: Final answer
    x = 2,715.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.