Home / 2,720.69-3,754.47-1,586.28

Finding the Fourth Proportional to 2,720.69, 3,754.47 and 1,586.28

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Solution

The fourth proportional to 2,720.69, 3,754.47 and 1,586.28 is: 2,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.69 : 3,754.47 = 1,586.28 : x
  2. Step 2: Convert to fraction form
    2,720.69/3,754.47 = 1,586.28/x
  3. Step 3: Cross multiply
    2,720.69x = 3,754.47 × 1,586.28
  4. Step 4: Simplify right side
    2,720.69x = 5,955,640.67
  5. Step 5: Solve for x
    x = 5,955,640.67/2,720.69
  6. Step 6: Final answer
    x = 2,189.02

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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.