Home / 2,912.52-4,371.44-1,526.80

Finding the Fourth Proportional to 2,912.52, 4,371.44 and 1,526.80

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Solution

The fourth proportional to 2,912.52, 4,371.44 and 1,526.80 is: 2,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.52 : 4,371.44 = 1,526.80 : x
  2. Step 2: Convert to fraction form
    2,912.52/4,371.44 = 1,526.80/x
  3. Step 3: Cross multiply
    2,912.52x = 4,371.44 × 1,526.80
  4. Step 4: Simplify right side
    2,912.52x = 6,674,314.59
  5. Step 5: Solve for x
    x = 6,674,314.59/2,912.52
  6. Step 6: Final answer
    x = 2,291.59

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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.