Home / 1,962.54-2,707.40-1,165.41

Finding the Fourth Proportional to 1,962.54, 2,707.40 and 1,165.41

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Solution

The fourth proportional to 1,962.54, 2,707.40 and 1,165.41 is: 1,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.54 : 2,707.40 = 1,165.41 : x
  2. Step 2: Convert to fraction form
    1,962.54/2,707.40 = 1,165.41/x
  3. Step 3: Cross multiply
    1,962.54x = 2,707.40 × 1,165.41
  4. Step 4: Simplify right side
    1,962.54x = 3,155,225.21
  5. Step 5: Solve for x
    x = 3,155,225.21/1,962.54
  6. Step 6: Final answer
    x = 1,607.73

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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.