Home / 3,483.16-4,807.60-2,156.06

Finding the Fourth Proportional to 3,483.16, 4,807.60 and 2,156.06

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Solution

The fourth proportional to 3,483.16, 4,807.60 and 2,156.06 is: 2,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.16 : 4,807.60 = 2,156.06 : x
  2. Step 2: Convert to fraction form
    3,483.16/4,807.60 = 2,156.06/x
  3. Step 3: Cross multiply
    3,483.16x = 4,807.60 × 2,156.06
  4. Step 4: Simplify right side
    3,483.16x = 10,365,480.68
  5. Step 5: Solve for x
    x = 10,365,480.68/3,483.16
  6. Step 6: Final answer
    x = 2,975.89

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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.