Home / 1,752.50-2,418.37-1,006.40

Finding the Fourth Proportional to 1,752.50, 2,418.37 and 1,006.40

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Solution

The fourth proportional to 1,752.50, 2,418.37 and 1,006.40 is: 1,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.50 : 2,418.37 = 1,006.40 : x
  2. Step 2: Convert to fraction form
    1,752.50/2,418.37 = 1,006.40/x
  3. Step 3: Cross multiply
    1,752.50x = 2,418.37 × 1,006.40
  4. Step 4: Simplify right side
    1,752.50x = 2,433,851.10
  5. Step 5: Solve for x
    x = 2,433,851.10/1,752.50
  6. Step 6: Final answer
    x = 1,388.79

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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.