Home / 2,817.37-4,226.02-1,256.98

Finding the Fourth Proportional to 2,817.37, 4,226.02 and 1,256.98

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Solution

The fourth proportional to 2,817.37, 4,226.02 and 1,256.98 is: 1,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.37 : 4,226.02 = 1,256.98 : x
  2. Step 2: Convert to fraction form
    2,817.37/4,226.02 = 1,256.98/x
  3. Step 3: Cross multiply
    2,817.37x = 4,226.02 × 1,256.98
  4. Step 4: Simplify right side
    2,817.37x = 5,312,001.49
  5. Step 5: Solve for x
    x = 5,312,001.49/2,817.37
  6. Step 6: Final answer
    x = 1,885.45

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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.