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Finding the Fourth Proportional to 1,045.82, 1,571.13 and 900.02

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Solution

The fourth proportional to 1,045.82, 1,571.13 and 900.02 is: 1,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.82 : 1,571.13 = 900.02 : x
  2. Step 2: Convert to fraction form
    1,045.82/1,571.13 = 900.02/x
  3. Step 3: Cross multiply
    1,045.82x = 1,571.13 × 900.02
  4. Step 4: Simplify right side
    1,045.82x = 1,414,048.42
  5. Step 5: Solve for x
    x = 1,414,048.42/1,045.82
  6. Step 6: Final answer
    x = 1,352.10

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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.