Home / 1,402.41-2,103.62-1,368.58

Finding the Fourth Proportional to 1,402.41, 2,103.62 and 1,368.58

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Solution

The fourth proportional to 1,402.41, 2,103.62 and 1,368.58 is: 2,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.41 : 2,103.62 = 1,368.58 : x
  2. Step 2: Convert to fraction form
    1,402.41/2,103.62 = 1,368.58/x
  3. Step 3: Cross multiply
    1,402.41x = 2,103.62 × 1,368.58
  4. Step 4: Simplify right side
    1,402.41x = 2,878,980.67
  5. Step 5: Solve for x
    x = 2,878,980.67/1,402.41
  6. Step 6: Final answer
    x = 2,052.88

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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.