Home / 2,106.46-2,905.29-1,610.74

Finding the Fourth Proportional to 2,106.46, 2,905.29 and 1,610.74

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Solution

The fourth proportional to 2,106.46, 2,905.29 and 1,610.74 is: 2,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.46 : 2,905.29 = 1,610.74 : x
  2. Step 2: Convert to fraction form
    2,106.46/2,905.29 = 1,610.74/x
  3. Step 3: Cross multiply
    2,106.46x = 2,905.29 × 1,610.74
  4. Step 4: Simplify right side
    2,106.46x = 4,679,652.29
  5. Step 5: Solve for x
    x = 4,679,652.29/2,106.46
  6. Step 6: Final answer
    x = 2,221.58

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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.