Home / 1,800.25-2,699.40-1,592.51

Finding the Fourth Proportional to 1,800.25, 2,699.40 and 1,592.51

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Solution

The fourth proportional to 1,800.25, 2,699.40 and 1,592.51 is: 2,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.25 : 2,699.40 = 1,592.51 : x
  2. Step 2: Convert to fraction form
    1,800.25/2,699.40 = 1,592.51/x
  3. Step 3: Cross multiply
    1,800.25x = 2,699.40 × 1,592.51
  4. Step 4: Simplify right side
    1,800.25x = 4,298,821.49
  5. Step 5: Solve for x
    x = 4,298,821.49/1,800.25
  6. Step 6: Final answer
    x = 2,387.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.