Home / 3,142.51-4,337.22-2,349.81

Finding the Fourth Proportional to 3,142.51, 4,337.22 and 2,349.81

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Solution

The fourth proportional to 3,142.51, 4,337.22 and 2,349.81 is: 3,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.51 : 4,337.22 = 2,349.81 : x
  2. Step 2: Convert to fraction form
    3,142.51/4,337.22 = 2,349.81/x
  3. Step 3: Cross multiply
    3,142.51x = 4,337.22 × 2,349.81
  4. Step 4: Simplify right side
    3,142.51x = 10,191,642.93
  5. Step 5: Solve for x
    x = 10,191,642.93/3,142.51
  6. Step 6: Final answer
    x = 3,243.15

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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.