Home / 2,918.05-4,026.74-1,658.93

Finding the Fourth Proportional to 2,918.05, 4,026.74 and 1,658.93

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Solution

The fourth proportional to 2,918.05, 4,026.74 and 1,658.93 is: 2,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.05 : 4,026.74 = 1,658.93 : x
  2. Step 2: Convert to fraction form
    2,918.05/4,026.74 = 1,658.93/x
  3. Step 3: Cross multiply
    2,918.05x = 4,026.74 × 1,658.93
  4. Step 4: Simplify right side
    2,918.05x = 6,680,059.65
  5. Step 5: Solve for x
    x = 6,680,059.65/2,918.05
  6. Step 6: Final answer
    x = 2,289.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.