Home / 1,529.56-2,293.80-555.40

Finding the Fourth Proportional to 1,529.56, 2,293.80 and 555.40

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Solution

The fourth proportional to 1,529.56, 2,293.80 and 555.40 is: 832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.56 : 2,293.80 = 555.40 : x
  2. Step 2: Convert to fraction form
    1,529.56/2,293.80 = 555.40/x
  3. Step 3: Cross multiply
    1,529.56x = 2,293.80 × 555.40
  4. Step 4: Simplify right side
    1,529.56x = 1,273,976.52
  5. Step 5: Solve for x
    x = 1,273,976.52/1,529.56
  6. Step 6: Final answer
    x = 832.90

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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.