Home / 3,360.30-4,637.27-1,868.28

Finding the Fourth Proportional to 3,360.30, 4,637.27 and 1,868.28

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Solution

The fourth proportional to 3,360.30, 4,637.27 and 1,868.28 is: 2,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.30 : 4,637.27 = 1,868.28 : x
  2. Step 2: Convert to fraction form
    3,360.30/4,637.27 = 1,868.28/x
  3. Step 3: Cross multiply
    3,360.30x = 4,637.27 × 1,868.28
  4. Step 4: Simplify right side
    3,360.30x = 8,663,718.80
  5. Step 5: Solve for x
    x = 8,663,718.80/3,360.30
  6. Step 6: Final answer
    x = 2,578.26

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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.