Home / 3,360.74-4,637.82-1,868.66

Finding the Fourth Proportional to 3,360.74, 4,637.82 and 1,868.66

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Solution

The fourth proportional to 3,360.74, 4,637.82 and 1,868.66 is: 2,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.74 : 4,637.82 = 1,868.66 : x
  2. Step 2: Convert to fraction form
    3,360.74/4,637.82 = 1,868.66/x
  3. Step 3: Cross multiply
    3,360.74x = 4,637.82 × 1,868.66
  4. Step 4: Simplify right side
    3,360.74x = 8,666,508.72
  5. Step 5: Solve for x
    x = 8,666,508.72/3,360.74
  6. Step 6: Final answer
    x = 2,578.75

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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.