Home / 1,401.29-2,103.80-1,197.17

Finding the Fourth Proportional to 1,401.29, 2,103.80 and 1,197.17

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Solution

The fourth proportional to 1,401.29, 2,103.80 and 1,197.17 is: 1,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.29 : 2,103.80 = 1,197.17 : x
  2. Step 2: Convert to fraction form
    1,401.29/2,103.80 = 1,197.17/x
  3. Step 3: Cross multiply
    1,401.29x = 2,103.80 × 1,197.17
  4. Step 4: Simplify right side
    1,401.29x = 2,518,600.26
  5. Step 5: Solve for x
    x = 2,518,600.26/1,401.29
  6. Step 6: Final answer
    x = 1,797.34

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1.5x scale

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.