Home / 2,525.66-3,485.50-1,391.27

Finding the Fourth Proportional to 2,525.66, 3,485.50 and 1,391.27

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Solution

The fourth proportional to 2,525.66, 3,485.50 and 1,391.27 is: 1,920.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.66 : 3,485.50 = 1,391.27 : x
  2. Step 2: Convert to fraction form
    2,525.66/3,485.50 = 1,391.27/x
  3. Step 3: Cross multiply
    2,525.66x = 3,485.50 × 1,391.27
  4. Step 4: Simplify right side
    2,525.66x = 4,849,276.82
  5. Step 5: Solve for x
    x = 4,849,276.82/2,525.66
  6. Step 6: Final answer
    x = 1,920.00

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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.