Home / 2,117.69-2,922.36-1,233.67

Finding the Fourth Proportional to 2,117.69, 2,922.36 and 1,233.67

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Solution

The fourth proportional to 2,117.69, 2,922.36 and 1,233.67 is: 1,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.69 : 2,922.36 = 1,233.67 : x
  2. Step 2: Convert to fraction form
    2,117.69/2,922.36 = 1,233.67/x
  3. Step 3: Cross multiply
    2,117.69x = 2,922.36 × 1,233.67
  4. Step 4: Simplify right side
    2,117.69x = 3,605,213.25
  5. Step 5: Solve for x
    x = 3,605,213.25/2,117.69
  6. Step 6: Final answer
    x = 1,702.43

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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.