Home / 1,740.60-2,401.20-1,267.29

Finding the Fourth Proportional to 1,740.60, 2,401.20 and 1,267.29

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Solution

The fourth proportional to 1,740.60, 2,401.20 and 1,267.29 is: 1,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.60 : 2,401.20 = 1,267.29 : x
  2. Step 2: Convert to fraction form
    1,740.60/2,401.20 = 1,267.29/x
  3. Step 3: Cross multiply
    1,740.60x = 2,401.20 × 1,267.29
  4. Step 4: Simplify right side
    1,740.60x = 3,043,016.75
  5. Step 5: Solve for x
    x = 3,043,016.75/1,740.60
  6. Step 6: Final answer
    x = 1,748.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.