Home / 1,721.77-2,382.27-1,501.18

Finding the Fourth Proportional to 1,721.77, 2,382.27 and 1,501.18

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Solution

The fourth proportional to 1,721.77, 2,382.27 and 1,501.18 is: 2,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.77 : 2,382.27 = 1,501.18 : x
  2. Step 2: Convert to fraction form
    1,721.77/2,382.27 = 1,501.18/x
  3. Step 3: Cross multiply
    1,721.77x = 2,382.27 × 1,501.18
  4. Step 4: Simplify right side
    1,721.77x = 3,576,204.17
  5. Step 5: Solve for x
    x = 3,576,204.17/1,721.77
  6. Step 6: Final answer
    x = 2,077.06

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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.