Home / 2,017.80-3,023.10-1,787.40

Finding the Fourth Proportional to 2,017.80, 3,023.10 and 1,787.40

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Solution

The fourth proportional to 2,017.80, 3,023.10 and 1,787.40 is: 2,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.80 : 3,023.10 = 1,787.40 : x
  2. Step 2: Convert to fraction form
    2,017.80/3,023.10 = 1,787.40/x
  3. Step 3: Cross multiply
    2,017.80x = 3,023.10 × 1,787.40
  4. Step 4: Simplify right side
    2,017.80x = 5,403,488.94
  5. Step 5: Solve for x
    x = 5,403,488.94/2,017.80
  6. Step 6: Final answer
    x = 2,677.91

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1.5x scale

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.