Home / 1,743.88-2,603.12-1,615.39

Finding the Fourth Proportional to 1,743.88, 2,603.12 and 1,615.39

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Solution

The fourth proportional to 1,743.88, 2,603.12 and 1,615.39 is: 2,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.88 : 2,603.12 = 1,615.39 : x
  2. Step 2: Convert to fraction form
    1,743.88/2,603.12 = 1,615.39/x
  3. Step 3: Cross multiply
    1,743.88x = 2,603.12 × 1,615.39
  4. Step 4: Simplify right side
    1,743.88x = 4,205,054.02
  5. Step 5: Solve for x
    x = 4,205,054.02/1,743.88
  6. Step 6: Final answer
    x = 2,411.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.