Home / 1,588.66-2,191.61-1,029.31

Finding the Fourth Proportional to 1,588.66, 2,191.61 and 1,029.31

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Solution

The fourth proportional to 1,588.66, 2,191.61 and 1,029.31 is: 1,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.66 : 2,191.61 = 1,029.31 : x
  2. Step 2: Convert to fraction form
    1,588.66/2,191.61 = 1,029.31/x
  3. Step 3: Cross multiply
    1,588.66x = 2,191.61 × 1,029.31
  4. Step 4: Simplify right side
    1,588.66x = 2,255,829.98
  5. Step 5: Solve for x
    x = 2,255,829.98/1,588.66
  6. Step 6: Final answer
    x = 1,419.96

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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.