Home / 3,160.19-4,738.26-1,312.58

Finding the Fourth Proportional to 3,160.19, 4,738.26 and 1,312.58

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Solution

The fourth proportional to 3,160.19, 4,738.26 and 1,312.58 is: 1,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.19 : 4,738.26 = 1,312.58 : x
  2. Step 2: Convert to fraction form
    3,160.19/4,738.26 = 1,312.58/x
  3. Step 3: Cross multiply
    3,160.19x = 4,738.26 × 1,312.58
  4. Step 4: Simplify right side
    3,160.19x = 6,219,345.31
  5. Step 5: Solve for x
    x = 6,219,345.31/3,160.19
  6. Step 6: Final answer
    x = 1,968.03

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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.