Home / 2,525.50-3,783.30-1,289.26

Finding the Fourth Proportional to 2,525.50, 3,783.30 and 1,289.26

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Solution

The fourth proportional to 2,525.50, 3,783.30 and 1,289.26 is: 1,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.50 : 3,783.30 = 1,289.26 : x
  2. Step 2: Convert to fraction form
    2,525.50/3,783.30 = 1,289.26/x
  3. Step 3: Cross multiply
    2,525.50x = 3,783.30 × 1,289.26
  4. Step 4: Simplify right side
    2,525.50x = 4,877,657.36
  5. Step 5: Solve for x
    x = 4,877,657.36/2,525.50
  6. Step 6: Final answer
    x = 1,931.36

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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.