Home / 1,953.64-2,931.54-1,088.44

Finding the Fourth Proportional to 1,953.64, 2,931.54 and 1,088.44

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Solution

The fourth proportional to 1,953.64, 2,931.54 and 1,088.44 is: 1,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.64 : 2,931.54 = 1,088.44 : x
  2. Step 2: Convert to fraction form
    1,953.64/2,931.54 = 1,088.44/x
  3. Step 3: Cross multiply
    1,953.64x = 2,931.54 × 1,088.44
  4. Step 4: Simplify right side
    1,953.64x = 3,190,805.40
  5. Step 5: Solve for x
    x = 3,190,805.40/1,953.64
  6. Step 6: Final answer
    x = 1,633.26

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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.