Home / 2,856.16-4,284.50-1,124.38

Finding the Fourth Proportional to 2,856.16, 4,284.50 and 1,124.38

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Solution

The fourth proportional to 2,856.16, 4,284.50 and 1,124.38 is: 1,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.16 : 4,284.50 = 1,124.38 : x
  2. Step 2: Convert to fraction form
    2,856.16/4,284.50 = 1,124.38/x
  3. Step 3: Cross multiply
    2,856.16x = 4,284.50 × 1,124.38
  4. Step 4: Simplify right side
    2,856.16x = 4,817,406.11
  5. Step 5: Solve for x
    x = 4,817,406.11/2,856.16
  6. Step 6: Final answer
    x = 1,686.67

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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.