Home / 1,497.47-2,065.55-1,203.44

Finding the Fourth Proportional to 1,497.47, 2,065.55 and 1,203.44

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Solution

The fourth proportional to 1,497.47, 2,065.55 and 1,203.44 is: 1,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.47 : 2,065.55 = 1,203.44 : x
  2. Step 2: Convert to fraction form
    1,497.47/2,065.55 = 1,203.44/x
  3. Step 3: Cross multiply
    1,497.47x = 2,065.55 × 1,203.44
  4. Step 4: Simplify right side
    1,497.47x = 2,485,749.15
  5. Step 5: Solve for x
    x = 2,485,749.15/1,497.47
  6. Step 6: Final answer
    x = 1,659.97

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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.