Home / 1,776.93-2,452.40-1,281.21

Finding the Fourth Proportional to 1,776.93, 2,452.40 and 1,281.21

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Solution

The fourth proportional to 1,776.93, 2,452.40 and 1,281.21 is: 1,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.93 : 2,452.40 = 1,281.21 : x
  2. Step 2: Convert to fraction form
    1,776.93/2,452.40 = 1,281.21/x
  3. Step 3: Cross multiply
    1,776.93x = 2,452.40 × 1,281.21
  4. Step 4: Simplify right side
    1,776.93x = 3,142,033.00
  5. Step 5: Solve for x
    x = 3,142,033.00/1,776.93
  6. Step 6: Final answer
    x = 1,768.24

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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.