Home / 2,720.09-3,751.73-1,710.82

Finding the Fourth Proportional to 2,720.09, 3,751.73 and 1,710.82

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Solution

The fourth proportional to 2,720.09, 3,751.73 and 1,710.82 is: 2,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.09 : 3,751.73 = 1,710.82 : x
  2. Step 2: Convert to fraction form
    2,720.09/3,751.73 = 1,710.82/x
  3. Step 3: Cross multiply
    2,720.09x = 3,751.73 × 1,710.82
  4. Step 4: Simplify right side
    2,720.09x = 6,418,532.46
  5. Step 5: Solve for x
    x = 6,418,532.46/2,720.09
  6. Step 6: Final answer
    x = 2,359.68

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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.