Home / 1,526.82-2,290.14-1,485.78

Finding the Fourth Proportional to 1,526.82, 2,290.14 and 1,485.78

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Solution

The fourth proportional to 1,526.82, 2,290.14 and 1,485.78 is: 2,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.82 : 2,290.14 = 1,485.78 : x
  2. Step 2: Convert to fraction form
    1,526.82/2,290.14 = 1,485.78/x
  3. Step 3: Cross multiply
    1,526.82x = 2,290.14 × 1,485.78
  4. Step 4: Simplify right side
    1,526.82x = 3,402,644.21
  5. Step 5: Solve for x
    x = 3,402,644.21/1,526.82
  6. Step 6: Final answer
    x = 2,228.58

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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.