Home / 2,098.02-3,120.40-2,054.28

Finding the Fourth Proportional to 2,098.02, 3,120.40 and 2,054.28

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Solution

The fourth proportional to 2,098.02, 3,120.40 and 2,054.28 is: 3,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.02 : 3,120.40 = 2,054.28 : x
  2. Step 2: Convert to fraction form
    2,098.02/3,120.40 = 2,054.28/x
  3. Step 3: Cross multiply
    2,098.02x = 3,120.40 × 2,054.28
  4. Step 4: Simplify right side
    2,098.02x = 6,410,175.31
  5. Step 5: Solve for x
    x = 6,410,175.31/2,098.02
  6. Step 6: Final answer
    x = 3,055.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.