Home / 1,697.07-2,542.59-1,038.60

Finding the Fourth Proportional to 1,697.07, 2,542.59 and 1,038.60

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Solution

The fourth proportional to 1,697.07, 2,542.59 and 1,038.60 is: 1,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.07 : 2,542.59 = 1,038.60 : x
  2. Step 2: Convert to fraction form
    1,697.07/2,542.59 = 1,038.60/x
  3. Step 3: Cross multiply
    1,697.07x = 2,542.59 × 1,038.60
  4. Step 4: Simplify right side
    1,697.07x = 2,640,733.97
  5. Step 5: Solve for x
    x = 2,640,733.97/1,697.07
  6. Step 6: Final answer
    x = 1,556.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.