Home / 1,644.49-2,271.33-1,309.52

Finding the Fourth Proportional to 1,644.49, 2,271.33 and 1,309.52

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Solution

The fourth proportional to 1,644.49, 2,271.33 and 1,309.52 is: 1,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.49 : 2,271.33 = 1,309.52 : x
  2. Step 2: Convert to fraction form
    1,644.49/2,271.33 = 1,309.52/x
  3. Step 3: Cross multiply
    1,644.49x = 2,271.33 × 1,309.52
  4. Step 4: Simplify right side
    1,644.49x = 2,974,335.79
  5. Step 5: Solve for x
    x = 2,974,335.79/1,644.49
  6. Step 6: Final answer
    x = 1,808.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.