Home / 1,972.37-2,722-1,088.18

Finding the Fourth Proportional to 1,972.37, 2,722 and 1,088.18

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Solution

The fourth proportional to 1,972.37, 2,722 and 1,088.18 is: 1,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.37 : 2,722 = 1,088.18 : x
  2. Step 2: Convert to fraction form
    1,972.37/2,722 = 1,088.18/x
  3. Step 3: Cross multiply
    1,972.37x = 2,722 × 1,088.18
  4. Step 4: Simplify right side
    1,972.37x = 2,962,012.35
  5. Step 5: Solve for x
    x = 2,962,012.35/1,972.37
  6. Step 6: Final answer
    x = 1,501.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.