Home / 1,621.08-2,237.22-922.59

Finding the Fourth Proportional to 1,621.08, 2,237.22 and 922.59

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Solution

The fourth proportional to 1,621.08, 2,237.22 and 922.59 is: 1,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.08 : 2,237.22 = 922.59 : x
  2. Step 2: Convert to fraction form
    1,621.08/2,237.22 = 922.59/x
  3. Step 3: Cross multiply
    1,621.08x = 2,237.22 × 922.59
  4. Step 4: Simplify right side
    1,621.08x = 2,064,036.80
  5. Step 5: Solve for x
    x = 2,064,036.80/1,621.08
  6. Step 6: Final answer
    x = 1,273.25

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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.