Home / 3,459.16-4,774.72-2,134.80

Finding the Fourth Proportional to 3,459.16, 4,774.72 and 2,134.80

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Solution

The fourth proportional to 3,459.16, 4,774.72 and 2,134.80 is: 2,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.16 : 4,774.72 = 2,134.80 : x
  2. Step 2: Convert to fraction form
    3,459.16/4,774.72 = 2,134.80/x
  3. Step 3: Cross multiply
    3,459.16x = 4,774.72 × 2,134.80
  4. Step 4: Simplify right side
    3,459.16x = 10,193,072.26
  5. Step 5: Solve for x
    x = 10,193,072.26/3,459.16
  6. Step 6: Final answer
    x = 2,946.69

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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.