Home / 1,526.31-2,289.42-1,320.27

Finding the Fourth Proportional to 1,526.31, 2,289.42 and 1,320.27

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Solution

The fourth proportional to 1,526.31, 2,289.42 and 1,320.27 is: 1,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.31 : 2,289.42 = 1,320.27 : x
  2. Step 2: Convert to fraction form
    1,526.31/2,289.42 = 1,320.27/x
  3. Step 3: Cross multiply
    1,526.31x = 2,289.42 × 1,320.27
  4. Step 4: Simplify right side
    1,526.31x = 3,022,652.54
  5. Step 5: Solve for x
    x = 3,022,652.54/1,526.31
  6. Step 6: Final answer
    x = 1,980.37

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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.