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Finding the Fourth Proportional to 2,073, 2,860.80 and 1,141.56

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Solution

The fourth proportional to 2,073, 2,860.80 and 1,141.56 is: 1,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073 : 2,860.80 = 1,141.56 : x
  2. Step 2: Convert to fraction form
    2,073/2,860.80 = 1,141.56/x
  3. Step 3: Cross multiply
    2,073x = 2,860.80 × 1,141.56
  4. Step 4: Simplify right side
    2,073x = 3,265,774.85
  5. Step 5: Solve for x
    x = 3,265,774.85/2,073
  6. Step 6: Final answer
    x = 1,575.39

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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.