Home / 3,730.24-5,146.56-2,158.08

Finding the Fourth Proportional to 3,730.24, 5,146.56 and 2,158.08

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Solution

The fourth proportional to 3,730.24, 5,146.56 and 2,158.08 is: 2,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.24 : 5,146.56 = 2,158.08 : x
  2. Step 2: Convert to fraction form
    3,730.24/5,146.56 = 2,158.08/x
  3. Step 3: Cross multiply
    3,730.24x = 5,146.56 × 2,158.08
  4. Step 4: Simplify right side
    3,730.24x = 11,106,688.20
  5. Step 5: Solve for x
    x = 11,106,688.20/3,730.24
  6. Step 6: Final answer
    x = 2,977.47

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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.