Home / 2,913.58-4,372.14-1,158.26

Finding the Fourth Proportional to 2,913.58, 4,372.14 and 1,158.26

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Solution

The fourth proportional to 2,913.58, 4,372.14 and 1,158.26 is: 1,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.58 : 4,372.14 = 1,158.26 : x
  2. Step 2: Convert to fraction form
    2,913.58/4,372.14 = 1,158.26/x
  3. Step 3: Cross multiply
    2,913.58x = 4,372.14 × 1,158.26
  4. Step 4: Simplify right side
    2,913.58x = 5,064,074.88
  5. Step 5: Solve for x
    x = 5,064,074.88/2,913.58
  6. Step 6: Final answer
    x = 1,738.10

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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.