Home / 2,681.66-3,705.77-2,017.35

Finding the Fourth Proportional to 2,681.66, 3,705.77 and 2,017.35

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Solution

The fourth proportional to 2,681.66, 3,705.77 and 2,017.35 is: 2,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.66 : 3,705.77 = 2,017.35 : x
  2. Step 2: Convert to fraction form
    2,681.66/3,705.77 = 2,017.35/x
  3. Step 3: Cross multiply
    2,681.66x = 3,705.77 × 2,017.35
  4. Step 4: Simplify right side
    2,681.66x = 7,475,825.02
  5. Step 5: Solve for x
    x = 7,475,825.02/2,681.66
  6. Step 6: Final answer
    x = 2,787.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.