Home / 3,622.90-5,434.70-1,157.74

Finding the Fourth Proportional to 3,622.90, 5,434.70 and 1,157.74

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Solution

The fourth proportional to 3,622.90, 5,434.70 and 1,157.74 is: 1,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.90 : 5,434.70 = 1,157.74 : x
  2. Step 2: Convert to fraction form
    3,622.90/5,434.70 = 1,157.74/x
  3. Step 3: Cross multiply
    3,622.90x = 5,434.70 × 1,157.74
  4. Step 4: Simplify right side
    3,622.90x = 6,291,980.77
  5. Step 5: Solve for x
    x = 6,291,980.77/3,622.90
  6. Step 6: Final answer
    x = 1,736.72

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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.