Home / 3,027.29-4,542.04-947.45

Finding the Fourth Proportional to 3,027.29, 4,542.04 and 947.45

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Solution

The fourth proportional to 3,027.29, 4,542.04 and 947.45 is: 1,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.29 : 4,542.04 = 947.45 : x
  2. Step 2: Convert to fraction form
    3,027.29/4,542.04 = 947.45/x
  3. Step 3: Cross multiply
    3,027.29x = 4,542.04 × 947.45
  4. Step 4: Simplify right side
    3,027.29x = 4,303,355.80
  5. Step 5: Solve for x
    x = 4,303,355.80/3,027.29
  6. Step 6: Final answer
    x = 1,421.52

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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.