Home / 2,348.22-3,239.29-1,905.34

Finding the Fourth Proportional to 2,348.22, 3,239.29 and 1,905.34

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Solution

The fourth proportional to 2,348.22, 3,239.29 and 1,905.34 is: 2,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.22 : 3,239.29 = 1,905.34 : x
  2. Step 2: Convert to fraction form
    2,348.22/3,239.29 = 1,905.34/x
  3. Step 3: Cross multiply
    2,348.22x = 3,239.29 × 1,905.34
  4. Step 4: Simplify right side
    2,348.22x = 6,171,948.81
  5. Step 5: Solve for x
    x = 6,171,948.81/2,348.22
  6. Step 6: Final answer
    x = 2,628.35

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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.