Home / 1,486.36-2,230.02-1,357.72

Finding the Fourth Proportional to 1,486.36, 2,230.02 and 1,357.72

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Solution

The fourth proportional to 1,486.36, 2,230.02 and 1,357.72 is: 2,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.36 : 2,230.02 = 1,357.72 : x
  2. Step 2: Convert to fraction form
    1,486.36/2,230.02 = 1,357.72/x
  3. Step 3: Cross multiply
    1,486.36x = 2,230.02 × 1,357.72
  4. Step 4: Simplify right side
    1,486.36x = 3,027,742.75
  5. Step 5: Solve for x
    x = 3,027,742.75/1,486.36
  6. Step 6: Final answer
    x = 2,037.02

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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.