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Finding the Fourth Proportional to 1,529.99, 2,294.94 and 434.33

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Solution

The fourth proportional to 1,529.99, 2,294.94 and 434.33 is: 651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.99 : 2,294.94 = 434.33 : x
  2. Step 2: Convert to fraction form
    1,529.99/2,294.94 = 434.33/x
  3. Step 3: Cross multiply
    1,529.99x = 2,294.94 × 434.33
  4. Step 4: Simplify right side
    1,529.99x = 996,749.82
  5. Step 5: Solve for x
    x = 996,749.82/1,529.99
  6. Step 6: Final answer
    x = 651.48

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1.5x scale

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.