Home / 2,758.02-4,137.80-1,114.18

Finding the Fourth Proportional to 2,758.02, 4,137.80 and 1,114.18

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Solution

The fourth proportional to 2,758.02, 4,137.80 and 1,114.18 is: 1,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.02 : 4,137.80 = 1,114.18 : x
  2. Step 2: Convert to fraction form
    2,758.02/4,137.80 = 1,114.18/x
  3. Step 3: Cross multiply
    2,758.02x = 4,137.80 × 1,114.18
  4. Step 4: Simplify right side
    2,758.02x = 4,610,254.00
  5. Step 5: Solve for x
    x = 4,610,254.00/2,758.02
  6. Step 6: Final answer
    x = 1,671.58

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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.