Home / 2,717.40-4,075.02-1,677.09

Finding the Fourth Proportional to 2,717.40, 4,075.02 and 1,677.09

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Solution

The fourth proportional to 2,717.40, 4,075.02 and 1,677.09 is: 2,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.40 : 4,075.02 = 1,677.09 : x
  2. Step 2: Convert to fraction form
    2,717.40/4,075.02 = 1,677.09/x
  3. Step 3: Cross multiply
    2,717.40x = 4,075.02 × 1,677.09
  4. Step 4: Simplify right side
    2,717.40x = 6,834,175.29
  5. Step 5: Solve for x
    x = 6,834,175.29/2,717.40
  6. Step 6: Final answer
    x = 2,514.97

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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.