Home / 4,025.80-6,038.70-2,643.40

Finding the Fourth Proportional to 4,025.80, 6,038.70 and 2,643.40

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Solution

The fourth proportional to 4,025.80, 6,038.70 and 2,643.40 is: 3,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.80 : 6,038.70 = 2,643.40 : x
  2. Step 2: Convert to fraction form
    4,025.80/6,038.70 = 2,643.40/x
  3. Step 3: Cross multiply
    4,025.80x = 6,038.70 × 2,643.40
  4. Step 4: Simplify right side
    4,025.80x = 15,962,699.58
  5. Step 5: Solve for x
    x = 15,962,699.58/4,025.80
  6. Step 6: Final answer
    x = 3,965.10

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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.