Home / 1,876.02-2,588.43-1,129.83

Finding the Fourth Proportional to 1,876.02, 2,588.43 and 1,129.83

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Solution

The fourth proportional to 1,876.02, 2,588.43 and 1,129.83 is: 1,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.02 : 2,588.43 = 1,129.83 : x
  2. Step 2: Convert to fraction form
    1,876.02/2,588.43 = 1,129.83/x
  3. Step 3: Cross multiply
    1,876.02x = 2,588.43 × 1,129.83
  4. Step 4: Simplify right side
    1,876.02x = 2,924,485.87
  5. Step 5: Solve for x
    x = 2,924,485.87/1,876.02
  6. Step 6: Final answer
    x = 1,558.88

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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.