Home / 2,920.02-4,382.03-1,277.02

Finding the Fourth Proportional to 2,920.02, 4,382.03 and 1,277.02

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Solution

The fourth proportional to 2,920.02, 4,382.03 and 1,277.02 is: 1,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.02 : 4,382.03 = 1,277.02 : x
  2. Step 2: Convert to fraction form
    2,920.02/4,382.03 = 1,277.02/x
  3. Step 3: Cross multiply
    2,920.02x = 4,382.03 × 1,277.02
  4. Step 4: Simplify right side
    2,920.02x = 5,595,939.95
  5. Step 5: Solve for x
    x = 5,595,939.95/2,920.02
  6. Step 6: Final answer
    x = 1,916.40

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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.