Home / 2,089.64-3,130.32-1,100.96

Finding the Fourth Proportional to 2,089.64, 3,130.32 and 1,100.96

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Solution

The fourth proportional to 2,089.64, 3,130.32 and 1,100.96 is: 1,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.64 : 3,130.32 = 1,100.96 : x
  2. Step 2: Convert to fraction form
    2,089.64/3,130.32 = 1,100.96/x
  3. Step 3: Cross multiply
    2,089.64x = 3,130.32 × 1,100.96
  4. Step 4: Simplify right side
    2,089.64x = 3,446,357.11
  5. Step 5: Solve for x
    x = 3,446,357.11/2,089.64
  6. Step 6: Final answer
    x = 1,649.26

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1.5x scale

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.