Home / 3,133-4,325.52-1,955.80

Finding the Fourth Proportional to 3,133, 4,325.52 and 1,955.80

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Solution

The fourth proportional to 3,133, 4,325.52 and 1,955.80 is: 2,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133 : 4,325.52 = 1,955.80 : x
  2. Step 2: Convert to fraction form
    3,133/4,325.52 = 1,955.80/x
  3. Step 3: Cross multiply
    3,133x = 4,325.52 × 1,955.80
  4. Step 4: Simplify right side
    3,133x = 8,459,852.02
  5. Step 5: Solve for x
    x = 8,459,852.02/3,133
  6. Step 6: Final answer
    x = 2,700.24

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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.