Home / 1,734.74-2,394.81-1,178.14

Finding the Fourth Proportional to 1,734.74, 2,394.81 and 1,178.14

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Solution

The fourth proportional to 1,734.74, 2,394.81 and 1,178.14 is: 1,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.74 : 2,394.81 = 1,178.14 : x
  2. Step 2: Convert to fraction form
    1,734.74/2,394.81 = 1,178.14/x
  3. Step 3: Cross multiply
    1,734.74x = 2,394.81 × 1,178.14
  4. Step 4: Simplify right side
    1,734.74x = 2,821,421.45
  5. Step 5: Solve for x
    x = 2,821,421.45/1,734.74
  6. Step 6: Final answer
    x = 1,626.42

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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.