Home / 2,856.50-4,285.09-1,007.23

Finding the Fourth Proportional to 2,856.50, 4,285.09 and 1,007.23

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Solution

The fourth proportional to 2,856.50, 4,285.09 and 1,007.23 is: 1,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.50 : 4,285.09 = 1,007.23 : x
  2. Step 2: Convert to fraction form
    2,856.50/4,285.09 = 1,007.23/x
  3. Step 3: Cross multiply
    2,856.50x = 4,285.09 × 1,007.23
  4. Step 4: Simplify right side
    2,856.50x = 4,316,071.20
  5. Step 5: Solve for x
    x = 4,316,071.20/2,856.50
  6. Step 6: Final answer
    x = 1,510.96

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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.