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Finding the Fourth Proportional to 2,856.53, 4,285.14 and 1,007.27

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Solution

The fourth proportional to 2,856.53, 4,285.14 and 1,007.27 is: 1,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.53 : 4,285.14 = 1,007.27 : x
  2. Step 2: Convert to fraction form
    2,856.53/4,285.14 = 1,007.27/x
  3. Step 3: Cross multiply
    2,856.53x = 4,285.14 × 1,007.27
  4. Step 4: Simplify right side
    2,856.53x = 4,316,266.51
  5. Step 5: Solve for x
    x = 4,316,266.51/2,856.53
  6. Step 6: Final answer
    x = 1,511.02

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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.