Home / 2,676.18-3,693.09-1,557.51

Finding the Fourth Proportional to 2,676.18, 3,693.09 and 1,557.51

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Solution

The fourth proportional to 2,676.18, 3,693.09 and 1,557.51 is: 2,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.18 : 3,693.09 = 1,557.51 : x
  2. Step 2: Convert to fraction form
    2,676.18/3,693.09 = 1,557.51/x
  3. Step 3: Cross multiply
    2,676.18x = 3,693.09 × 1,557.51
  4. Step 4: Simplify right side
    2,676.18x = 5,752,024.61
  5. Step 5: Solve for x
    x = 5,752,024.61/2,676.18
  6. Step 6: Final answer
    x = 2,149.34

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1.5x scale

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.