Home / 2,465.25-3,402.05-1,680.67

Finding the Fourth Proportional to 2,465.25, 3,402.05 and 1,680.67

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Solution

The fourth proportional to 2,465.25, 3,402.05 and 1,680.67 is: 2,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.25 : 3,402.05 = 1,680.67 : x
  2. Step 2: Convert to fraction form
    2,465.25/3,402.05 = 1,680.67/x
  3. Step 3: Cross multiply
    2,465.25x = 3,402.05 × 1,680.67
  4. Step 4: Simplify right side
    2,465.25x = 5,717,723.37
  5. Step 5: Solve for x
    x = 5,717,723.37/2,465.25
  6. Step 6: Final answer
    x = 2,319.33

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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.