Home / 1,673.10-2,308.89-1,000.74

Finding the Fourth Proportional to 1,673.10, 2,308.89 and 1,000.74

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Solution

The fourth proportional to 1,673.10, 2,308.89 and 1,000.74 is: 1,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.10 : 2,308.89 = 1,000.74 : x
  2. Step 2: Convert to fraction form
    1,673.10/2,308.89 = 1,000.74/x
  3. Step 3: Cross multiply
    1,673.10x = 2,308.89 × 1,000.74
  4. Step 4: Simplify right side
    1,673.10x = 2,310,598.58
  5. Step 5: Solve for x
    x = 2,310,598.58/1,673.10
  6. Step 6: Final answer
    x = 1,381.03

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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.