Home / 3,457.60-4,767.79-2,276.62

Finding the Fourth Proportional to 3,457.60, 4,767.79 and 2,276.62

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Solution

The fourth proportional to 3,457.60, 4,767.79 and 2,276.62 is: 3,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.60 : 4,767.79 = 2,276.62 : x
  2. Step 2: Convert to fraction form
    3,457.60/4,767.79 = 2,276.62/x
  3. Step 3: Cross multiply
    3,457.60x = 4,767.79 × 2,276.62
  4. Step 4: Simplify right side
    3,457.60x = 10,854,446.07
  5. Step 5: Solve for x
    x = 10,854,446.07/3,457.60
  6. Step 6: Final answer
    x = 3,139.30

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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.