Home / 1,776.65-2,452.01-1,280.93

Finding the Fourth Proportional to 1,776.65, 2,452.01 and 1,280.93

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Solution

The fourth proportional to 1,776.65, 2,452.01 and 1,280.93 is: 1,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.65 : 2,452.01 = 1,280.93 : x
  2. Step 2: Convert to fraction form
    1,776.65/2,452.01 = 1,280.93/x
  3. Step 3: Cross multiply
    1,776.65x = 2,452.01 × 1,280.93
  4. Step 4: Simplify right side
    1,776.65x = 3,140,853.17
  5. Step 5: Solve for x
    x = 3,140,853.17/1,776.65
  6. Step 6: Final answer
    x = 1,767.85

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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.