Home / 1,755.55-2,417.72-1,717.28

Finding the Fourth Proportional to 1,755.55, 2,417.72 and 1,717.28

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Solution

The fourth proportional to 1,755.55, 2,417.72 and 1,717.28 is: 2,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.55 : 2,417.72 = 1,717.28 : x
  2. Step 2: Convert to fraction form
    1,755.55/2,417.72 = 1,717.28/x
  3. Step 3: Cross multiply
    1,755.55x = 2,417.72 × 1,717.28
  4. Step 4: Simplify right side
    1,755.55x = 4,151,898.28
  5. Step 5: Solve for x
    x = 4,151,898.28/1,755.55
  6. Step 6: Final answer
    x = 2,365.01

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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.