Home / 1,962.81-2,938.01-1,303.38

Finding the Fourth Proportional to 1,962.81, 2,938.01 and 1,303.38

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Solution

The fourth proportional to 1,962.81, 2,938.01 and 1,303.38 is: 1,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.81 : 2,938.01 = 1,303.38 : x
  2. Step 2: Convert to fraction form
    1,962.81/2,938.01 = 1,303.38/x
  3. Step 3: Cross multiply
    1,962.81x = 2,938.01 × 1,303.38
  4. Step 4: Simplify right side
    1,962.81x = 3,829,336.96
  5. Step 5: Solve for x
    x = 3,829,336.96/1,962.81
  6. Step 6: Final answer
    x = 1,950.95

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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.