Home / 1,866.20-2,575.37-1,026.99

Finding the Fourth Proportional to 1,866.20, 2,575.37 and 1,026.99

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Solution

The fourth proportional to 1,866.20, 2,575.37 and 1,026.99 is: 1,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.20 : 2,575.37 = 1,026.99 : x
  2. Step 2: Convert to fraction form
    1,866.20/2,575.37 = 1,026.99/x
  3. Step 3: Cross multiply
    1,866.20x = 2,575.37 × 1,026.99
  4. Step 4: Simplify right side
    1,866.20x = 2,644,881.80
  5. Step 5: Solve for x
    x = 2,644,881.80/1,866.20
  6. Step 6: Final answer
    x = 1,417.26

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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.