Home / 2,455.24-3,389.48-1,894.45

Finding the Fourth Proportional to 2,455.24, 3,389.48 and 1,894.45

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Solution

The fourth proportional to 2,455.24, 3,389.48 and 1,894.45 is: 2,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.24 : 3,389.48 = 1,894.45 : x
  2. Step 2: Convert to fraction form
    2,455.24/3,389.48 = 1,894.45/x
  3. Step 3: Cross multiply
    2,455.24x = 3,389.48 × 1,894.45
  4. Step 4: Simplify right side
    2,455.24x = 6,421,200.39
  5. Step 5: Solve for x
    x = 6,421,200.39/2,455.24
  6. Step 6: Final answer
    x = 2,615.30

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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.