Home / 2,883.40-4,325.70-1,240.36

Finding the Fourth Proportional to 2,883.40, 4,325.70 and 1,240.36

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Solution

The fourth proportional to 2,883.40, 4,325.70 and 1,240.36 is: 1,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.40 : 4,325.70 = 1,240.36 : x
  2. Step 2: Convert to fraction form
    2,883.40/4,325.70 = 1,240.36/x
  3. Step 3: Cross multiply
    2,883.40x = 4,325.70 × 1,240.36
  4. Step 4: Simplify right side
    2,883.40x = 5,365,425.25
  5. Step 5: Solve for x
    x = 5,365,425.25/2,883.40
  6. Step 6: Final answer
    x = 1,860.80

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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.