Home / 3,118.51-4,675.02-1,271.18

Finding the Fourth Proportional to 3,118.51, 4,675.02 and 1,271.18

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Solution

The fourth proportional to 3,118.51, 4,675.02 and 1,271.18 is: 1,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.51 : 4,675.02 = 1,271.18 : x
  2. Step 2: Convert to fraction form
    3,118.51/4,675.02 = 1,271.18/x
  3. Step 3: Cross multiply
    3,118.51x = 4,675.02 × 1,271.18
  4. Step 4: Simplify right side
    3,118.51x = 5,942,783.27
  5. Step 5: Solve for x
    x = 5,942,783.27/3,118.51
  6. Step 6: Final answer
    x = 1,905.65

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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.