Home / 3,223.36-4,445.77-2,776.01

Finding the Fourth Proportional to 3,223.36, 4,445.77 and 2,776.01

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Solution

The fourth proportional to 3,223.36, 4,445.77 and 2,776.01 is: 3,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.36 : 4,445.77 = 2,776.01 : x
  2. Step 2: Convert to fraction form
    3,223.36/4,445.77 = 2,776.01/x
  3. Step 3: Cross multiply
    3,223.36x = 4,445.77 × 2,776.01
  4. Step 4: Simplify right side
    3,223.36x = 12,341,515.53
  5. Step 5: Solve for x
    x = 12,341,515.53/3,223.36
  6. Step 6: Final answer
    x = 3,828.77

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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.