Home / 3,730.14-5,148.24-2,159.16

Finding the Fourth Proportional to 3,730.14, 5,148.24 and 2,159.16

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Solution

The fourth proportional to 3,730.14, 5,148.24 and 2,159.16 is: 2,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.14 : 5,148.24 = 2,159.16 : x
  2. Step 2: Convert to fraction form
    3,730.14/5,148.24 = 2,159.16/x
  3. Step 3: Cross multiply
    3,730.14x = 5,148.24 × 2,159.16
  4. Step 4: Simplify right side
    3,730.14x = 11,115,873.88
  5. Step 5: Solve for x
    x = 11,115,873.88/3,730.14
  6. Step 6: Final answer
    x = 2,980.02

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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.