Home / 2,384.40-3,577.83-1,289.07

Finding the Fourth Proportional to 2,384.40, 3,577.83 and 1,289.07

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Solution

The fourth proportional to 2,384.40, 3,577.83 and 1,289.07 is: 1,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.40 : 3,577.83 = 1,289.07 : x
  2. Step 2: Convert to fraction form
    2,384.40/3,577.83 = 1,289.07/x
  3. Step 3: Cross multiply
    2,384.40x = 3,577.83 × 1,289.07
  4. Step 4: Simplify right side
    2,384.40x = 4,612,073.32
  5. Step 5: Solve for x
    x = 4,612,073.32/2,384.40
  6. Step 6: Final answer
    x = 1,934.27

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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.