Home / 2,878.68-4,325.70-1,563.24

Finding the Fourth Proportional to 2,878.68, 4,325.70 and 1,563.24

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Solution

The fourth proportional to 2,878.68, 4,325.70 and 1,563.24 is: 2,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.68 : 4,325.70 = 1,563.24 : x
  2. Step 2: Convert to fraction form
    2,878.68/4,325.70 = 1,563.24/x
  3. Step 3: Cross multiply
    2,878.68x = 4,325.70 × 1,563.24
  4. Step 4: Simplify right side
    2,878.68x = 6,762,107.27
  5. Step 5: Solve for x
    x = 6,762,107.27/2,878.68
  6. Step 6: Final answer
    x = 2,349.03

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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.