Home / 1,610.03-2,221.80-946.73

Finding the Fourth Proportional to 1,610.03, 2,221.80 and 946.73

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Solution

The fourth proportional to 1,610.03, 2,221.80 and 946.73 is: 1,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.03 : 2,221.80 = 946.73 : x
  2. Step 2: Convert to fraction form
    1,610.03/2,221.80 = 946.73/x
  3. Step 3: Cross multiply
    1,610.03x = 2,221.80 × 946.73
  4. Step 4: Simplify right side
    1,610.03x = 2,103,444.71
  5. Step 5: Solve for x
    x = 2,103,444.71/1,610.03
  6. Step 6: Final answer
    x = 1,306.46

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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.