Home / 1,817.88-2,723.01-1,087.07

Finding the Fourth Proportional to 1,817.88, 2,723.01 and 1,087.07

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Solution

The fourth proportional to 1,817.88, 2,723.01 and 1,087.07 is: 1,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.88 : 2,723.01 = 1,087.07 : x
  2. Step 2: Convert to fraction form
    1,817.88/2,723.01 = 1,087.07/x
  3. Step 3: Cross multiply
    1,817.88x = 2,723.01 × 1,087.07
  4. Step 4: Simplify right side
    1,817.88x = 2,960,088.87
  5. Step 5: Solve for x
    x = 2,960,088.87/1,817.88
  6. Step 6: Final answer
    x = 1,628.32

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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.