Home / 2,017.02-2,782.80-1,270.70

Finding the Fourth Proportional to 2,017.02, 2,782.80 and 1,270.70

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Solution

The fourth proportional to 2,017.02, 2,782.80 and 1,270.70 is: 1,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.02 : 2,782.80 = 1,270.70 : x
  2. Step 2: Convert to fraction form
    2,017.02/2,782.80 = 1,270.70/x
  3. Step 3: Cross multiply
    2,017.02x = 2,782.80 × 1,270.70
  4. Step 4: Simplify right side
    2,017.02x = 3,536,103.96
  5. Step 5: Solve for x
    x = 3,536,103.96/2,017.02
  6. Step 6: Final answer
    x = 1,753.13

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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.