Home / 3,457.30-4,778.02-2,617.68

Finding the Fourth Proportional to 3,457.30, 4,778.02 and 2,617.68

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Solution

The fourth proportional to 3,457.30, 4,778.02 and 2,617.68 is: 3,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.30 : 4,778.02 = 2,617.68 : x
  2. Step 2: Convert to fraction form
    3,457.30/4,778.02 = 2,617.68/x
  3. Step 3: Cross multiply
    3,457.30x = 4,778.02 × 2,617.68
  4. Step 4: Simplify right side
    3,457.30x = 12,507,327.39
  5. Step 5: Solve for x
    x = 12,507,327.39/3,457.30
  6. Step 6: Final answer
    x = 3,617.66

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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.