Home / 1,610.18-2,222.10-902.02

Finding the Fourth Proportional to 1,610.18, 2,222.10 and 902.02

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Solution

The fourth proportional to 1,610.18, 2,222.10 and 902.02 is: 1,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.18 : 2,222.10 = 902.02 : x
  2. Step 2: Convert to fraction form
    1,610.18/2,222.10 = 902.02/x
  3. Step 3: Cross multiply
    1,610.18x = 2,222.10 × 902.02
  4. Step 4: Simplify right side
    1,610.18x = 2,004,378.64
  5. Step 5: Solve for x
    x = 2,004,378.64/1,610.18
  6. Step 6: Final answer
    x = 1,244.82

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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.