Home / 2,351.06-3,242.64-1,642.67

Finding the Fourth Proportional to 2,351.06, 3,242.64 and 1,642.67

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Solution

The fourth proportional to 2,351.06, 3,242.64 and 1,642.67 is: 2,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.06 : 3,242.64 = 1,642.67 : x
  2. Step 2: Convert to fraction form
    2,351.06/3,242.64 = 1,642.67/x
  3. Step 3: Cross multiply
    2,351.06x = 3,242.64 × 1,642.67
  4. Step 4: Simplify right side
    2,351.06x = 5,326,587.45
  5. Step 5: Solve for x
    x = 5,326,587.45/2,351.06
  6. Step 6: Final answer
    x = 2,265.61

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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.