Home / 2,020.02-2,787.39-1,135.77

Finding the Fourth Proportional to 2,020.02, 2,787.39 and 1,135.77

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Solution

The fourth proportional to 2,020.02, 2,787.39 and 1,135.77 is: 1,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.02 : 2,787.39 = 1,135.77 : x
  2. Step 2: Convert to fraction form
    2,020.02/2,787.39 = 1,135.77/x
  3. Step 3: Cross multiply
    2,020.02x = 2,787.39 × 1,135.77
  4. Step 4: Simplify right side
    2,020.02x = 3,165,833.94
  5. Step 5: Solve for x
    x = 3,165,833.94/2,020.02
  6. Step 6: Final answer
    x = 1,567.23

Related Problems

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Half scale
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Double scale
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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.