Home / 1,622.36-2,238.08-1,559.49

Finding the Fourth Proportional to 1,622.36, 2,238.08 and 1,559.49

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Solution

The fourth proportional to 1,622.36, 2,238.08 and 1,559.49 is: 2,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.36 : 2,238.08 = 1,559.49 : x
  2. Step 2: Convert to fraction form
    1,622.36/2,238.08 = 1,559.49/x
  3. Step 3: Cross multiply
    1,622.36x = 2,238.08 × 1,559.49
  4. Step 4: Simplify right side
    1,622.36x = 3,490,263.38
  5. Step 5: Solve for x
    x = 3,490,263.38/1,622.36
  6. Step 6: Final answer
    x = 2,151.35

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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.