Home / 3,457.29-4,771.14-2,130.93

Finding the Fourth Proportional to 3,457.29, 4,771.14 and 2,130.93

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Solution

The fourth proportional to 3,457.29, 4,771.14 and 2,130.93 is: 2,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.29 : 4,771.14 = 2,130.93 : x
  2. Step 2: Convert to fraction form
    3,457.29/4,771.14 = 2,130.93/x
  3. Step 3: Cross multiply
    3,457.29x = 4,771.14 × 2,130.93
  4. Step 4: Simplify right side
    3,457.29x = 10,166,965.36
  5. Step 5: Solve for x
    x = 10,166,965.36/3,457.29
  6. Step 6: Final answer
    x = 2,940.73

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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.