Home / 3,640.44-5,461.58-1,559.40

Finding the Fourth Proportional to 3,640.44, 5,461.58 and 1,559.40

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Solution

The fourth proportional to 3,640.44, 5,461.58 and 1,559.40 is: 2,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.44 : 5,461.58 = 1,559.40 : x
  2. Step 2: Convert to fraction form
    3,640.44/5,461.58 = 1,559.40/x
  3. Step 3: Cross multiply
    3,640.44x = 5,461.58 × 1,559.40
  4. Step 4: Simplify right side
    3,640.44x = 8,516,787.85
  5. Step 5: Solve for x
    x = 8,516,787.85/3,640.44
  6. Step 6: Final answer
    x = 2,339.49

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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.