Home / 1,938.47-2,903.17-1,417.16

Finding the Fourth Proportional to 1,938.47, 2,903.17 and 1,417.16

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Solution

The fourth proportional to 1,938.47, 2,903.17 and 1,417.16 is: 2,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.47 : 2,903.17 = 1,417.16 : x
  2. Step 2: Convert to fraction form
    1,938.47/2,903.17 = 1,417.16/x
  3. Step 3: Cross multiply
    1,938.47x = 2,903.17 × 1,417.16
  4. Step 4: Simplify right side
    1,938.47x = 4,114,256.40
  5. Step 5: Solve for x
    x = 4,114,256.40/1,938.47
  6. Step 6: Final answer
    x = 2,122.42

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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.