Home / 1,548.69-2,138.93-1,050.47

Finding the Fourth Proportional to 1,548.69, 2,138.93 and 1,050.47

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Solution

The fourth proportional to 1,548.69, 2,138.93 and 1,050.47 is: 1,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.69 : 2,138.93 = 1,050.47 : x
  2. Step 2: Convert to fraction form
    1,548.69/2,138.93 = 1,050.47/x
  3. Step 3: Cross multiply
    1,548.69x = 2,138.93 × 1,050.47
  4. Step 4: Simplify right side
    1,548.69x = 2,246,880.76
  5. Step 5: Solve for x
    x = 2,246,880.76/1,548.69
  6. Step 6: Final answer
    x = 1,450.82

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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.