Home / 1,677.30-2,506.02-1,619.88

Finding the Fourth Proportional to 1,677.30, 2,506.02 and 1,619.88

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Solution

The fourth proportional to 1,677.30, 2,506.02 and 1,619.88 is: 2,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.30 : 2,506.02 = 1,619.88 : x
  2. Step 2: Convert to fraction form
    1,677.30/2,506.02 = 1,619.88/x
  3. Step 3: Cross multiply
    1,677.30x = 2,506.02 × 1,619.88
  4. Step 4: Simplify right side
    1,677.30x = 4,059,451.68
  5. Step 5: Solve for x
    x = 4,059,451.68/1,677.30
  6. Step 6: Final answer
    x = 2,420.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.