Home / 4,028.40-6,040.10-1,254.28

Finding the Fourth Proportional to 4,028.40, 6,040.10 and 1,254.28

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Solution

The fourth proportional to 4,028.40, 6,040.10 and 1,254.28 is: 1,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.40 : 6,040.10 = 1,254.28 : x
  2. Step 2: Convert to fraction form
    4,028.40/6,040.10 = 1,254.28/x
  3. Step 3: Cross multiply
    4,028.40x = 6,040.10 × 1,254.28
  4. Step 4: Simplify right side
    4,028.40x = 7,575,970.36
  5. Step 5: Solve for x
    x = 7,575,970.36/4,028.40
  6. Step 6: Final answer
    x = 1,880.64

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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.