Home / 1,621.81-2,434.29-1,094.64

Finding the Fourth Proportional to 1,621.81, 2,434.29 and 1,094.64

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Solution

The fourth proportional to 1,621.81, 2,434.29 and 1,094.64 is: 1,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.81 : 2,434.29 = 1,094.64 : x
  2. Step 2: Convert to fraction form
    1,621.81/2,434.29 = 1,094.64/x
  3. Step 3: Cross multiply
    1,621.81x = 2,434.29 × 1,094.64
  4. Step 4: Simplify right side
    1,621.81x = 2,664,671.21
  5. Step 5: Solve for x
    x = 2,664,671.21/1,621.81
  6. Step 6: Final answer
    x = 1,643.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.