Home / 1,631.63-2,447.65-536.11

Finding the Fourth Proportional to 1,631.63, 2,447.65 and 536.11

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Solution

The fourth proportional to 1,631.63, 2,447.65 and 536.11 is: 804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.63 : 2,447.65 = 536.11 : x
  2. Step 2: Convert to fraction form
    1,631.63/2,447.65 = 536.11/x
  3. Step 3: Cross multiply
    1,631.63x = 2,447.65 × 536.11
  4. Step 4: Simplify right side
    1,631.63x = 1,312,197.40
  5. Step 5: Solve for x
    x = 1,312,197.40/1,631.63
  6. Step 6: Final answer
    x = 804.22

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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.