Home / 3,312.06-4,571.20-1,895.80

Finding the Fourth Proportional to 3,312.06, 4,571.20 and 1,895.80

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Solution

The fourth proportional to 3,312.06, 4,571.20 and 1,895.80 is: 2,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.06 : 4,571.20 = 1,895.80 : x
  2. Step 2: Convert to fraction form
    3,312.06/4,571.20 = 1,895.80/x
  3. Step 3: Cross multiply
    3,312.06x = 4,571.20 × 1,895.80
  4. Step 4: Simplify right side
    3,312.06x = 8,666,080.96
  5. Step 5: Solve for x
    x = 8,666,080.96/3,312.06
  6. Step 6: Final answer
    x = 2,616.52

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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.