Home / 2,171.07-3,256.29-710.28

Finding the Fourth Proportional to 2,171.07, 3,256.29 and 710.28

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Solution

The fourth proportional to 2,171.07, 3,256.29 and 710.28 is: 1,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.07 : 3,256.29 = 710.28 : x
  2. Step 2: Convert to fraction form
    2,171.07/3,256.29 = 710.28/x
  3. Step 3: Cross multiply
    2,171.07x = 3,256.29 × 710.28
  4. Step 4: Simplify right side
    2,171.07x = 2,312,877.66
  5. Step 5: Solve for x
    x = 2,312,877.66/2,171.07
  6. Step 6: Final answer
    x = 1,065.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.