Home / 1,693.10-2,319.59-1,627.49

Finding the Fourth Proportional to 1,693.10, 2,319.59 and 1,627.49

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Solution

The fourth proportional to 1,693.10, 2,319.59 and 1,627.49 is: 2,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.10 : 2,319.59 = 1,627.49 : x
  2. Step 2: Convert to fraction form
    1,693.10/2,319.59 = 1,627.49/x
  3. Step 3: Cross multiply
    1,693.10x = 2,319.59 × 1,627.49
  4. Step 4: Simplify right side
    1,693.10x = 3,775,110.24
  5. Step 5: Solve for x
    x = 3,775,110.24/1,693.10
  6. Step 6: Final answer
    x = 2,229.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.