Home / 1,885.73-2,828.60-1,064.70

Finding the Fourth Proportional to 1,885.73, 2,828.60 and 1,064.70

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Solution

The fourth proportional to 1,885.73, 2,828.60 and 1,064.70 is: 1,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.73 : 2,828.60 = 1,064.70 : x
  2. Step 2: Convert to fraction form
    1,885.73/2,828.60 = 1,064.70/x
  3. Step 3: Cross multiply
    1,885.73x = 2,828.60 × 1,064.70
  4. Step 4: Simplify right side
    1,885.73x = 3,011,613.08
  5. Step 5: Solve for x
    x = 3,011,613.08/1,885.73
  6. Step 6: Final answer
    x = 1,597.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.