Home / 3,621.24-5,430.96-1,671.60

Finding the Fourth Proportional to 3,621.24, 5,430.96 and 1,671.60

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Solution

The fourth proportional to 3,621.24, 5,430.96 and 1,671.60 is: 2,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.24 : 5,430.96 = 1,671.60 : x
  2. Step 2: Convert to fraction form
    3,621.24/5,430.96 = 1,671.60/x
  3. Step 3: Cross multiply
    3,621.24x = 5,430.96 × 1,671.60
  4. Step 4: Simplify right side
    3,621.24x = 9,078,392.74
  5. Step 5: Solve for x
    x = 9,078,392.74/3,621.24
  6. Step 6: Final answer
    x = 2,506.98

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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.