Home / 1,886.49-2,829.87-1,065.15

Finding the Fourth Proportional to 1,886.49, 2,829.87 and 1,065.15

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Solution

The fourth proportional to 1,886.49, 2,829.87 and 1,065.15 is: 1,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.49 : 2,829.87 = 1,065.15 : x
  2. Step 2: Convert to fraction form
    1,886.49/2,829.87 = 1,065.15/x
  3. Step 3: Cross multiply
    1,886.49x = 2,829.87 × 1,065.15
  4. Step 4: Simplify right side
    1,886.49x = 3,014,236.03
  5. Step 5: Solve for x
    x = 3,014,236.03/1,886.49
  6. Step 6: Final answer
    x = 1,597.80

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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.