Home / 3,001.70-4,142.50-1,822.08

Finding the Fourth Proportional to 3,001.70, 4,142.50 and 1,822.08

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Solution

The fourth proportional to 3,001.70, 4,142.50 and 1,822.08 is: 2,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.70 : 4,142.50 = 1,822.08 : x
  2. Step 2: Convert to fraction form
    3,001.70/4,142.50 = 1,822.08/x
  3. Step 3: Cross multiply
    3,001.70x = 4,142.50 × 1,822.08
  4. Step 4: Simplify right side
    3,001.70x = 7,547,966.40
  5. Step 5: Solve for x
    x = 7,547,966.40/3,001.70
  6. Step 6: Final answer
    x = 2,514.56

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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.