Home / 3,483.45-4,807.44-2,157.48

Finding the Fourth Proportional to 3,483.45, 4,807.44 and 2,157.48

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Solution

The fourth proportional to 3,483.45, 4,807.44 and 2,157.48 is: 2,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.45 : 4,807.44 = 2,157.48 : x
  2. Step 2: Convert to fraction form
    3,483.45/4,807.44 = 2,157.48/x
  3. Step 3: Cross multiply
    3,483.45x = 4,807.44 × 2,157.48
  4. Step 4: Simplify right side
    3,483.45x = 10,371,955.65
  5. Step 5: Solve for x
    x = 10,371,955.65/3,483.45
  6. Step 6: Final answer
    x = 2,977.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.