Home / 1,529.01-2,292.30-707.67

Finding the Fourth Proportional to 1,529.01, 2,292.30 and 707.67

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Solution

The fourth proportional to 1,529.01, 2,292.30 and 707.67 is: 1,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.01 : 2,292.30 = 707.67 : x
  2. Step 2: Convert to fraction form
    1,529.01/2,292.30 = 707.67/x
  3. Step 3: Cross multiply
    1,529.01x = 2,292.30 × 707.67
  4. Step 4: Simplify right side
    1,529.01x = 1,622,191.94
  5. Step 5: Solve for x
    x = 1,622,191.94/1,529.01
  6. Step 6: Final answer
    x = 1,060.94

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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.