Home / 1,736.48-2,600.40-1,085.28

Finding the Fourth Proportional to 1,736.48, 2,600.40 and 1,085.28

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Solution

The fourth proportional to 1,736.48, 2,600.40 and 1,085.28 is: 1,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.48 : 2,600.40 = 1,085.28 : x
  2. Step 2: Convert to fraction form
    1,736.48/2,600.40 = 1,085.28/x
  3. Step 3: Cross multiply
    1,736.48x = 2,600.40 × 1,085.28
  4. Step 4: Simplify right side
    1,736.48x = 2,822,162.11
  5. Step 5: Solve for x
    x = 2,822,162.11/1,736.48
  6. Step 6: Final answer
    x = 1,625.22

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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.