Home / 3,018.52-4,529.60-1,287.14

Finding the Fourth Proportional to 3,018.52, 4,529.60 and 1,287.14

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Solution

The fourth proportional to 3,018.52, 4,529.60 and 1,287.14 is: 1,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.52 : 4,529.60 = 1,287.14 : x
  2. Step 2: Convert to fraction form
    3,018.52/4,529.60 = 1,287.14/x
  3. Step 3: Cross multiply
    3,018.52x = 4,529.60 × 1,287.14
  4. Step 4: Simplify right side
    3,018.52x = 5,830,226.95
  5. Step 5: Solve for x
    x = 5,830,226.95/3,018.52
  6. Step 6: Final answer
    x = 1,931.49

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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.