Home / 2,591.47-3,885.58-1,203.94

Finding the Fourth Proportional to 2,591.47, 3,885.58 and 1,203.94

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Solution

The fourth proportional to 2,591.47, 3,885.58 and 1,203.94 is: 1,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.47 : 3,885.58 = 1,203.94 : x
  2. Step 2: Convert to fraction form
    2,591.47/3,885.58 = 1,203.94/x
  3. Step 3: Cross multiply
    2,591.47x = 3,885.58 × 1,203.94
  4. Step 4: Simplify right side
    2,591.47x = 4,678,005.19
  5. Step 5: Solve for x
    x = 4,678,005.19/2,591.47
  6. Step 6: Final answer
    x = 1,805.16

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1.5x scale

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.