Home / 1,400.16-2,098.19-1,246.40

Finding the Fourth Proportional to 1,400.16, 2,098.19 and 1,246.40

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Solution

The fourth proportional to 1,400.16, 2,098.19 and 1,246.40 is: 1,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.16 : 2,098.19 = 1,246.40 : x
  2. Step 2: Convert to fraction form
    1,400.16/2,098.19 = 1,246.40/x
  3. Step 3: Cross multiply
    1,400.16x = 2,098.19 × 1,246.40
  4. Step 4: Simplify right side
    1,400.16x = 2,615,181.89
  5. Step 5: Solve for x
    x = 2,615,181.89/1,400.16
  6. Step 6: Final answer
    x = 1,867.77

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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.