Home / 1,943.10-2,910.57-1,508.22

Finding the Fourth Proportional to 1,943.10, 2,910.57 and 1,508.22

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Solution

The fourth proportional to 1,943.10, 2,910.57 and 1,508.22 is: 2,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.10 : 2,910.57 = 1,508.22 : x
  2. Step 2: Convert to fraction form
    1,943.10/2,910.57 = 1,508.22/x
  3. Step 3: Cross multiply
    1,943.10x = 2,910.57 × 1,508.22
  4. Step 4: Simplify right side
    1,943.10x = 4,389,779.89
  5. Step 5: Solve for x
    x = 4,389,779.89/1,943.10
  6. Step 6: Final answer
    x = 2,259.16

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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.