Home / 2,384.44-3,577.74-1,288.36

Finding the Fourth Proportional to 2,384.44, 3,577.74 and 1,288.36

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Solution

The fourth proportional to 2,384.44, 3,577.74 and 1,288.36 is: 1,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.44 : 3,577.74 = 1,288.36 : x
  2. Step 2: Convert to fraction form
    2,384.44/3,577.74 = 1,288.36/x
  3. Step 3: Cross multiply
    2,384.44x = 3,577.74 × 1,288.36
  4. Step 4: Simplify right side
    2,384.44x = 4,609,417.11
  5. Step 5: Solve for x
    x = 4,609,417.11/2,384.44
  6. Step 6: Final answer
    x = 1,933.12

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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.