Home / 1,622.43-2,437.29-1,316.25

Finding the Fourth Proportional to 1,622.43, 2,437.29 and 1,316.25

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Solution

The fourth proportional to 1,622.43, 2,437.29 and 1,316.25 is: 1,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.43 : 2,437.29 = 1,316.25 : x
  2. Step 2: Convert to fraction form
    1,622.43/2,437.29 = 1,316.25/x
  3. Step 3: Cross multiply
    1,622.43x = 2,437.29 × 1,316.25
  4. Step 4: Simplify right side
    1,622.43x = 3,208,082.96
  5. Step 5: Solve for x
    x = 3,208,082.96/1,622.43
  6. Step 6: Final answer
    x = 1,977.33

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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.