Home / 1,862.17-2,787.77-1,631.51

Finding the Fourth Proportional to 1,862.17, 2,787.77 and 1,631.51

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Solution

The fourth proportional to 1,862.17, 2,787.77 and 1,631.51 is: 2,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.17 : 2,787.77 = 1,631.51 : x
  2. Step 2: Convert to fraction form
    1,862.17/2,787.77 = 1,631.51/x
  3. Step 3: Cross multiply
    1,862.17x = 2,787.77 × 1,631.51
  4. Step 4: Simplify right side
    1,862.17x = 4,548,274.63
  5. Step 5: Solve for x
    x = 4,548,274.63/1,862.17
  6. Step 6: Final answer
    x = 2,442.46

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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.