Home / 3,152.10-4,347.09-2,105.22

Finding the Fourth Proportional to 3,152.10, 4,347.09 and 2,105.22

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Solution

The fourth proportional to 3,152.10, 4,347.09 and 2,105.22 is: 2,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.10 : 4,347.09 = 2,105.22 : x
  2. Step 2: Convert to fraction form
    3,152.10/4,347.09 = 2,105.22/x
  3. Step 3: Cross multiply
    3,152.10x = 4,347.09 × 2,105.22
  4. Step 4: Simplify right side
    3,152.10x = 9,151,580.81
  5. Step 5: Solve for x
    x = 9,151,580.81/3,152.10
  6. Step 6: Final answer
    x = 2,903.33

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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.