Home / 3,587.34-5,379.78-1,365.64

Finding the Fourth Proportional to 3,587.34, 5,379.78 and 1,365.64

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Solution

The fourth proportional to 3,587.34, 5,379.78 and 1,365.64 is: 2,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.34 : 5,379.78 = 1,365.64 : x
  2. Step 2: Convert to fraction form
    3,587.34/5,379.78 = 1,365.64/x
  3. Step 3: Cross multiply
    3,587.34x = 5,379.78 × 1,365.64
  4. Step 4: Simplify right side
    3,587.34x = 7,346,842.76
  5. Step 5: Solve for x
    x = 7,346,842.76/3,587.34
  6. Step 6: Final answer
    x = 2,047.99

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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.