Home / 2,077.03-2,866.08-1,145.53

Finding the Fourth Proportional to 2,077.03, 2,866.08 and 1,145.53

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Solution

The fourth proportional to 2,077.03, 2,866.08 and 1,145.53 is: 1,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.03 : 2,866.08 = 1,145.53 : x
  2. Step 2: Convert to fraction form
    2,077.03/2,866.08 = 1,145.53/x
  3. Step 3: Cross multiply
    2,077.03x = 2,866.08 × 1,145.53
  4. Step 4: Simplify right side
    2,077.03x = 3,283,180.62
  5. Step 5: Solve for x
    x = 3,283,180.62/2,077.03
  6. Step 6: Final answer
    x = 1,580.71

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1.5x scale

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.