Home / 1,622.90-2,417.38-1,601.37

Finding the Fourth Proportional to 1,622.90, 2,417.38 and 1,601.37

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Solution

The fourth proportional to 1,622.90, 2,417.38 and 1,601.37 is: 2,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.90 : 2,417.38 = 1,601.37 : x
  2. Step 2: Convert to fraction form
    1,622.90/2,417.38 = 1,601.37/x
  3. Step 3: Cross multiply
    1,622.90x = 2,417.38 × 1,601.37
  4. Step 4: Simplify right side
    1,622.90x = 3,871,115.81
  5. Step 5: Solve for x
    x = 3,871,115.81/1,622.90
  6. Step 6: Final answer
    x = 2,385.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.