Home / 1,351.20-2,025.60-473.28

Finding the Fourth Proportional to 1,351.20, 2,025.60 and 473.28

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Solution

The fourth proportional to 1,351.20, 2,025.60 and 473.28 is: 709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.20 : 2,025.60 = 473.28 : x
  2. Step 2: Convert to fraction form
    1,351.20/2,025.60 = 473.28/x
  3. Step 3: Cross multiply
    1,351.20x = 2,025.60 × 473.28
  4. Step 4: Simplify right side
    1,351.20x = 958,675.97
  5. Step 5: Solve for x
    x = 958,675.97/1,351.20
  6. Step 6: Final answer
    x = 709.50

Related Problems

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Half scale
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Double scale
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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.