Home / 2,073.19-2,860.96-1,129

Finding the Fourth Proportional to 2,073.19, 2,860.96 and 1,129

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Solution

The fourth proportional to 2,073.19, 2,860.96 and 1,129 is: 1,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.19 : 2,860.96 = 1,129 : x
  2. Step 2: Convert to fraction form
    2,073.19/2,860.96 = 1,129/x
  3. Step 3: Cross multiply
    2,073.19x = 2,860.96 × 1,129
  4. Step 4: Simplify right side
    2,073.19x = 3,230,023.84
  5. Step 5: Solve for x
    x = 3,230,023.84/2,073.19
  6. Step 6: Final answer
    x = 1,558.00

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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.