Home / 3,397.22-4,688.24-1,905.06

Finding the Fourth Proportional to 3,397.22, 4,688.24 and 1,905.06

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Solution

The fourth proportional to 3,397.22, 4,688.24 and 1,905.06 is: 2,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.22 : 4,688.24 = 1,905.06 : x
  2. Step 2: Convert to fraction form
    3,397.22/4,688.24 = 1,905.06/x
  3. Step 3: Cross multiply
    3,397.22x = 4,688.24 × 1,905.06
  4. Step 4: Simplify right side
    3,397.22x = 8,931,368.97
  5. Step 5: Solve for x
    x = 8,931,368.97/3,397.22
  6. Step 6: Final answer
    x = 2,629.03

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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.