Home / 3,630.69-5,445.36-1,437.30

Finding the Fourth Proportional to 3,630.69, 5,445.36 and 1,437.30

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Solution

The fourth proportional to 3,630.69, 5,445.36 and 1,437.30 is: 2,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.69 : 5,445.36 = 1,437.30 : x
  2. Step 2: Convert to fraction form
    3,630.69/5,445.36 = 1,437.30/x
  3. Step 3: Cross multiply
    3,630.69x = 5,445.36 × 1,437.30
  4. Step 4: Simplify right side
    3,630.69x = 7,826,615.93
  5. Step 5: Solve for x
    x = 7,826,615.93/3,630.69
  6. Step 6: Final answer
    x = 2,155.68

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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.