Home / 1,617.54-2,427.58-1,127.40

Finding the Fourth Proportional to 1,617.54, 2,427.58 and 1,127.40

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Solution

The fourth proportional to 1,617.54, 2,427.58 and 1,127.40 is: 1,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.54 : 2,427.58 = 1,127.40 : x
  2. Step 2: Convert to fraction form
    1,617.54/2,427.58 = 1,127.40/x
  3. Step 3: Cross multiply
    1,617.54x = 2,427.58 × 1,127.40
  4. Step 4: Simplify right side
    1,617.54x = 2,736,853.69
  5. Step 5: Solve for x
    x = 2,736,853.69/1,617.54
  6. Step 6: Final answer
    x = 1,691.99

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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.