Home / 4,139.48-5,712.53-2,371.05

Finding the Fourth Proportional to 4,139.48, 5,712.53 and 2,371.05

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Solution

The fourth proportional to 4,139.48, 5,712.53 and 2,371.05 is: 3,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.48 : 5,712.53 = 2,371.05 : x
  2. Step 2: Convert to fraction form
    4,139.48/5,712.53 = 2,371.05/x
  3. Step 3: Cross multiply
    4,139.48x = 5,712.53 × 2,371.05
  4. Step 4: Simplify right side
    4,139.48x = 13,544,682.40
  5. Step 5: Solve for x
    x = 13,544,682.40/4,139.48
  6. Step 6: Final answer
    x = 3,272.07

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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.