Home / 2,256.32-3,384.48-1,102.40

Finding the Fourth Proportional to 2,256.32, 3,384.48 and 1,102.40

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Solution

The fourth proportional to 2,256.32, 3,384.48 and 1,102.40 is: 1,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.32 : 3,384.48 = 1,102.40 : x
  2. Step 2: Convert to fraction form
    2,256.32/3,384.48 = 1,102.40/x
  3. Step 3: Cross multiply
    2,256.32x = 3,384.48 × 1,102.40
  4. Step 4: Simplify right side
    2,256.32x = 3,731,050.75
  5. Step 5: Solve for x
    x = 3,731,050.75/2,256.32
  6. Step 6: Final answer
    x = 1,653.60

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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.