Home / 2,454.15-3,675.42-1,868.45

Finding the Fourth Proportional to 2,454.15, 3,675.42 and 1,868.45

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Solution

The fourth proportional to 2,454.15, 3,675.42 and 1,868.45 is: 2,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.15 : 3,675.42 = 1,868.45 : x
  2. Step 2: Convert to fraction form
    2,454.15/3,675.42 = 1,868.45/x
  3. Step 3: Cross multiply
    2,454.15x = 3,675.42 × 1,868.45
  4. Step 4: Simplify right side
    2,454.15x = 6,867,320.12
  5. Step 5: Solve for x
    x = 6,867,320.12/2,454.15
  6. Step 6: Final answer
    x = 2,798.25

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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.