Home / 1,977.01-2,962.78-1,716.39

Finding the Fourth Proportional to 1,977.01, 2,962.78 and 1,716.39

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Solution

The fourth proportional to 1,977.01, 2,962.78 and 1,716.39 is: 2,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.01 : 2,962.78 = 1,716.39 : x
  2. Step 2: Convert to fraction form
    1,977.01/2,962.78 = 1,716.39/x
  3. Step 3: Cross multiply
    1,977.01x = 2,962.78 × 1,716.39
  4. Step 4: Simplify right side
    1,977.01x = 5,085,281.67
  5. Step 5: Solve for x
    x = 5,085,281.67/1,977.01
  6. Step 6: Final answer
    x = 2,572.21

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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.