Home / 2,785.04-4,156.96-2,457.12

Finding the Fourth Proportional to 2,785.04, 4,156.96 and 2,457.12

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Solution

The fourth proportional to 2,785.04, 4,156.96 and 2,457.12 is: 3,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.04 : 4,156.96 = 2,457.12 : x
  2. Step 2: Convert to fraction form
    2,785.04/4,156.96 = 2,457.12/x
  3. Step 3: Cross multiply
    2,785.04x = 4,156.96 × 2,457.12
  4. Step 4: Simplify right side
    2,785.04x = 10,214,149.56
  5. Step 5: Solve for x
    x = 10,214,149.56/2,785.04
  6. Step 6: Final answer
    x = 3,667.51

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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.