Home / 3,018.29-4,527.87-1,143.68

Finding the Fourth Proportional to 3,018.29, 4,527.87 and 1,143.68

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Solution

The fourth proportional to 3,018.29, 4,527.87 and 1,143.68 is: 1,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.29 : 4,527.87 = 1,143.68 : x
  2. Step 2: Convert to fraction form
    3,018.29/4,527.87 = 1,143.68/x
  3. Step 3: Cross multiply
    3,018.29x = 4,527.87 × 1,143.68
  4. Step 4: Simplify right side
    3,018.29x = 5,178,445.68
  5. Step 5: Solve for x
    x = 5,178,445.68/3,018.29
  6. Step 6: Final answer
    x = 1,715.69

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1.5x scale

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.