Home / 2,504.15-3,455.63-1,385.08

Finding the Fourth Proportional to 2,504.15, 3,455.63 and 1,385.08

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Solution

The fourth proportional to 2,504.15, 3,455.63 and 1,385.08 is: 1,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.15 : 3,455.63 = 1,385.08 : x
  2. Step 2: Convert to fraction form
    2,504.15/3,455.63 = 1,385.08/x
  3. Step 3: Cross multiply
    2,504.15x = 3,455.63 × 1,385.08
  4. Step 4: Simplify right side
    2,504.15x = 4,786,306.72
  5. Step 5: Solve for x
    x = 4,786,306.72/2,504.15
  6. Step 6: Final answer
    x = 1,911.35

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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.