Home / 2,291.63-3,434.78-1,056.44

Finding the Fourth Proportional to 2,291.63, 3,434.78 and 1,056.44

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Solution

The fourth proportional to 2,291.63, 3,434.78 and 1,056.44 is: 1,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.63 : 3,434.78 = 1,056.44 : x
  2. Step 2: Convert to fraction form
    2,291.63/3,434.78 = 1,056.44/x
  3. Step 3: Cross multiply
    2,291.63x = 3,434.78 × 1,056.44
  4. Step 4: Simplify right side
    2,291.63x = 3,628,638.98
  5. Step 5: Solve for x
    x = 3,628,638.98/2,291.63
  6. Step 6: Final answer
    x = 1,583.43

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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.