Home / 4,135.78-5,707.11-2,457.34

Finding the Fourth Proportional to 4,135.78, 5,707.11 and 2,457.34

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Solution

The fourth proportional to 4,135.78, 5,707.11 and 2,457.34 is: 3,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.78 : 5,707.11 = 2,457.34 : x
  2. Step 2: Convert to fraction form
    4,135.78/5,707.11 = 2,457.34/x
  3. Step 3: Cross multiply
    4,135.78x = 5,707.11 × 2,457.34
  4. Step 4: Simplify right side
    4,135.78x = 14,024,290.81
  5. Step 5: Solve for x
    x = 14,024,290.81/4,135.78
  6. Step 6: Final answer
    x = 3,390.96

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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.