Home / 3,788.23-5,225.31-2,445.55

Finding the Fourth Proportional to 3,788.23, 5,225.31 and 2,445.55

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Solution

The fourth proportional to 3,788.23, 5,225.31 and 2,445.55 is: 3,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.23 : 5,225.31 = 2,445.55 : x
  2. Step 2: Convert to fraction form
    3,788.23/5,225.31 = 2,445.55/x
  3. Step 3: Cross multiply
    3,788.23x = 5,225.31 × 2,445.55
  4. Step 4: Simplify right side
    3,788.23x = 12,778,730.74
  5. Step 5: Solve for x
    x = 12,778,730.74/3,788.23
  6. Step 6: Final answer
    x = 3,373.28

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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.