Home / 1,965.60-2,962.62-1,877.76

Finding the Fourth Proportional to 1,965.60, 2,962.62 and 1,877.76

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Solution

The fourth proportional to 1,965.60, 2,962.62 and 1,877.76 is: 2,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.60 : 2,962.62 = 1,877.76 : x
  2. Step 2: Convert to fraction form
    1,965.60/2,962.62 = 1,877.76/x
  3. Step 3: Cross multiply
    1,965.60x = 2,962.62 × 1,877.76
  4. Step 4: Simplify right side
    1,965.60x = 5,563,089.33
  5. Step 5: Solve for x
    x = 5,563,089.33/1,965.60
  6. Step 6: Final answer
    x = 2,830.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.