Home / 1,285.06-1,927.64-360.68

Finding the Fourth Proportional to 1,285.06, 1,927.64 and 360.68

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Solution

The fourth proportional to 1,285.06, 1,927.64 and 360.68 is: 541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.06 : 1,927.64 = 360.68 : x
  2. Step 2: Convert to fraction form
    1,285.06/1,927.64 = 360.68/x
  3. Step 3: Cross multiply
    1,285.06x = 1,927.64 × 360.68
  4. Step 4: Simplify right side
    1,285.06x = 695,252.46
  5. Step 5: Solve for x
    x = 695,252.46/1,285.06
  6. Step 6: Final answer
    x = 541.03

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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.