Home / 1,259.12-1,738.04-1,025.84

Finding the Fourth Proportional to 1,259.12, 1,738.04 and 1,025.84

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Solution

The fourth proportional to 1,259.12, 1,738.04 and 1,025.84 is: 1,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.12 : 1,738.04 = 1,025.84 : x
  2. Step 2: Convert to fraction form
    1,259.12/1,738.04 = 1,025.84/x
  3. Step 3: Cross multiply
    1,259.12x = 1,738.04 × 1,025.84
  4. Step 4: Simplify right side
    1,259.12x = 1,782,950.95
  5. Step 5: Solve for x
    x = 1,782,950.95/1,259.12
  6. Step 6: Final answer
    x = 1,416.03

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1.5x scale

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.