Home / 1,938.90-2,903.76-1,476.12

Finding the Fourth Proportional to 1,938.90, 2,903.76 and 1,476.12

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Solution

The fourth proportional to 1,938.90, 2,903.76 and 1,476.12 is: 2,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.90 : 2,903.76 = 1,476.12 : x
  2. Step 2: Convert to fraction form
    1,938.90/2,903.76 = 1,476.12/x
  3. Step 3: Cross multiply
    1,938.90x = 2,903.76 × 1,476.12
  4. Step 4: Simplify right side
    1,938.90x = 4,286,298.21
  5. Step 5: Solve for x
    x = 4,286,298.21/1,938.90
  6. Step 6: Final answer
    x = 2,210.69

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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.