Home / 1,402.41-2,113.77-1,323.03

Finding the Fourth Proportional to 1,402.41, 2,113.77 and 1,323.03

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Solution

The fourth proportional to 1,402.41, 2,113.77 and 1,323.03 is: 1,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.41 : 2,113.77 = 1,323.03 : x
  2. Step 2: Convert to fraction form
    1,402.41/2,113.77 = 1,323.03/x
  3. Step 3: Cross multiply
    1,402.41x = 2,113.77 × 1,323.03
  4. Step 4: Simplify right side
    1,402.41x = 2,796,581.12
  5. Step 5: Solve for x
    x = 2,796,581.12/1,402.41
  6. Step 6: Final answer
    x = 1,994.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.