Home / 4,128.71-5,700.51-2,695.51

Finding the Fourth Proportional to 4,128.71, 5,700.51 and 2,695.51

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Solution

The fourth proportional to 4,128.71, 5,700.51 and 2,695.51 is: 3,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.71 : 5,700.51 = 2,695.51 : x
  2. Step 2: Convert to fraction form
    4,128.71/5,700.51 = 2,695.51/x
  3. Step 3: Cross multiply
    4,128.71x = 5,700.51 × 2,695.51
  4. Step 4: Simplify right side
    4,128.71x = 15,365,788.84
  5. Step 5: Solve for x
    x = 15,365,788.84/4,128.71
  6. Step 6: Final answer
    x = 3,721.70

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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.