Home / 1,954.10-2,938.35-1,637.30

Finding the Fourth Proportional to 1,954.10, 2,938.35 and 1,637.30

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Solution

The fourth proportional to 1,954.10, 2,938.35 and 1,637.30 is: 2,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.10 : 2,938.35 = 1,637.30 : x
  2. Step 2: Convert to fraction form
    1,954.10/2,938.35 = 1,637.30/x
  3. Step 3: Cross multiply
    1,954.10x = 2,938.35 × 1,637.30
  4. Step 4: Simplify right side
    1,954.10x = 4,810,960.46
  5. Step 5: Solve for x
    x = 4,810,960.46/1,954.10
  6. Step 6: Final answer
    x = 2,461.98

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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.