Home / 1,916.02-2,874.04-1,822.74

Finding the Fourth Proportional to 1,916.02, 2,874.04 and 1,822.74

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Solution

The fourth proportional to 1,916.02, 2,874.04 and 1,822.74 is: 2,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.02 : 2,874.04 = 1,822.74 : x
  2. Step 2: Convert to fraction form
    1,916.02/2,874.04 = 1,822.74/x
  3. Step 3: Cross multiply
    1,916.02x = 2,874.04 × 1,822.74
  4. Step 4: Simplify right side
    1,916.02x = 5,238,627.67
  5. Step 5: Solve for x
    x = 5,238,627.67/1,916.02
  6. Step 6: Final answer
    x = 2,734.12

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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.