Home / 2,910.17-4,364.31-1,266.23

Finding the Fourth Proportional to 2,910.17, 4,364.31 and 1,266.23

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Solution

The fourth proportional to 2,910.17, 4,364.31 and 1,266.23 is: 1,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.17 : 4,364.31 = 1,266.23 : x
  2. Step 2: Convert to fraction form
    2,910.17/4,364.31 = 1,266.23/x
  3. Step 3: Cross multiply
    2,910.17x = 4,364.31 × 1,266.23
  4. Step 4: Simplify right side
    2,910.17x = 5,526,220.25
  5. Step 5: Solve for x
    x = 5,526,220.25/2,910.17
  6. Step 6: Final answer
    x = 1,898.93

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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.