Home / 2,088.90-2,883.20-1,205.23

Finding the Fourth Proportional to 2,088.90, 2,883.20 and 1,205.23

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Solution

The fourth proportional to 2,088.90, 2,883.20 and 1,205.23 is: 1,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.90 : 2,883.20 = 1,205.23 : x
  2. Step 2: Convert to fraction form
    2,088.90/2,883.20 = 1,205.23/x
  3. Step 3: Cross multiply
    2,088.90x = 2,883.20 × 1,205.23
  4. Step 4: Simplify right side
    2,088.90x = 3,474,919.14
  5. Step 5: Solve for x
    x = 3,474,919.14/2,088.90
  6. Step 6: Final answer
    x = 1,663.52

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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.