Home / 1,621.49-2,237.91-1,032.22

Finding the Fourth Proportional to 1,621.49, 2,237.91 and 1,032.22

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Solution

The fourth proportional to 1,621.49, 2,237.91 and 1,032.22 is: 1,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.49 : 2,237.91 = 1,032.22 : x
  2. Step 2: Convert to fraction form
    1,621.49/2,237.91 = 1,032.22/x
  3. Step 3: Cross multiply
    1,621.49x = 2,237.91 × 1,032.22
  4. Step 4: Simplify right side
    1,621.49x = 2,310,015.46
  5. Step 5: Solve for x
    x = 2,310,015.46/1,621.49
  6. Step 6: Final answer
    x = 1,424.63

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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.