Home / 1,954.92-2,918.93-1,681.32

Finding the Fourth Proportional to 1,954.92, 2,918.93 and 1,681.32

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Solution

The fourth proportional to 1,954.92, 2,918.93 and 1,681.32 is: 2,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.92 : 2,918.93 = 1,681.32 : x
  2. Step 2: Convert to fraction form
    1,954.92/2,918.93 = 1,681.32/x
  3. Step 3: Cross multiply
    1,954.92x = 2,918.93 × 1,681.32
  4. Step 4: Simplify right side
    1,954.92x = 4,907,655.39
  5. Step 5: Solve for x
    x = 4,907,655.39/1,954.92
  6. Step 6: Final answer
    x = 2,510.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.