Home / 1,402.32-2,100.21-1,246.02

Finding the Fourth Proportional to 1,402.32, 2,100.21 and 1,246.02

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Solution

The fourth proportional to 1,402.32, 2,100.21 and 1,246.02 is: 1,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.32 : 2,100.21 = 1,246.02 : x
  2. Step 2: Convert to fraction form
    1,402.32/2,100.21 = 1,246.02/x
  3. Step 3: Cross multiply
    1,402.32x = 2,100.21 × 1,246.02
  4. Step 4: Simplify right side
    1,402.32x = 2,616,903.66
  5. Step 5: Solve for x
    x = 2,616,903.66/1,402.32
  6. Step 6: Final answer
    x = 1,866.12

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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.