Home / 1,601.16-2,402.43-561.91

Finding the Fourth Proportional to 1,601.16, 2,402.43 and 561.91

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Solution

The fourth proportional to 1,601.16, 2,402.43 and 561.91 is: 843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.16 : 2,402.43 = 561.91 : x
  2. Step 2: Convert to fraction form
    1,601.16/2,402.43 = 561.91/x
  3. Step 3: Cross multiply
    1,601.16x = 2,402.43 × 561.91
  4. Step 4: Simplify right side
    1,601.16x = 1,349,949.44
  5. Step 5: Solve for x
    x = 1,349,949.44/1,601.16
  6. Step 6: Final answer
    x = 843.11

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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.