Home / 2,984.40-4,457.08-2,540.92

Finding the Fourth Proportional to 2,984.40, 4,457.08 and 2,540.92

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Solution

The fourth proportional to 2,984.40, 4,457.08 and 2,540.92 is: 3,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.40 : 4,457.08 = 2,540.92 : x
  2. Step 2: Convert to fraction form
    2,984.40/4,457.08 = 2,540.92/x
  3. Step 3: Cross multiply
    2,984.40x = 4,457.08 × 2,540.92
  4. Step 4: Simplify right side
    2,984.40x = 11,325,083.71
  5. Step 5: Solve for x
    x = 11,325,083.71/2,984.40
  6. Step 6: Final answer
    x = 3,794.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.