Home / 1,766.17-2,647.05-1,117.09

Finding the Fourth Proportional to 1,766.17, 2,647.05 and 1,117.09

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Solution

The fourth proportional to 1,766.17, 2,647.05 and 1,117.09 is: 1,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.17 : 2,647.05 = 1,117.09 : x
  2. Step 2: Convert to fraction form
    1,766.17/2,647.05 = 1,117.09/x
  3. Step 3: Cross multiply
    1,766.17x = 2,647.05 × 1,117.09
  4. Step 4: Simplify right side
    1,766.17x = 2,956,993.08
  5. Step 5: Solve for x
    x = 2,956,993.08/1,766.17
  6. Step 6: Final answer
    x = 1,674.24

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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.