Home / 3,555.45-5,331.96-1,055.91

Finding the Fourth Proportional to 3,555.45, 5,331.96 and 1,055.91

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Solution

The fourth proportional to 3,555.45, 5,331.96 and 1,055.91 is: 1,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.45 : 5,331.96 = 1,055.91 : x
  2. Step 2: Convert to fraction form
    3,555.45/5,331.96 = 1,055.91/x
  3. Step 3: Cross multiply
    3,555.45x = 5,331.96 × 1,055.91
  4. Step 4: Simplify right side
    3,555.45x = 5,630,069.88
  5. Step 5: Solve for x
    x = 5,630,069.88/3,555.45
  6. Step 6: Final answer
    x = 1,583.50

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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.