Home / 3,212.19-4,813.02-2,055.51

Finding the Fourth Proportional to 3,212.19, 4,813.02 and 2,055.51

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Solution

The fourth proportional to 3,212.19, 4,813.02 and 2,055.51 is: 3,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.19 : 4,813.02 = 2,055.51 : x
  2. Step 2: Convert to fraction form
    3,212.19/4,813.02 = 2,055.51/x
  3. Step 3: Cross multiply
    3,212.19x = 4,813.02 × 2,055.51
  4. Step 4: Simplify right side
    3,212.19x = 9,893,210.74
  5. Step 5: Solve for x
    x = 9,893,210.74/3,212.19
  6. Step 6: Final answer
    x = 3,079.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.