Home / 2,445.20-3,370.56-1,853.36

Finding the Fourth Proportional to 2,445.20, 3,370.56 and 1,853.36

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Solution

The fourth proportional to 2,445.20, 3,370.56 and 1,853.36 is: 2,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.20 : 3,370.56 = 1,853.36 : x
  2. Step 2: Convert to fraction form
    2,445.20/3,370.56 = 1,853.36/x
  3. Step 3: Cross multiply
    2,445.20x = 3,370.56 × 1,853.36
  4. Step 4: Simplify right side
    2,445.20x = 6,246,861.08
  5. Step 5: Solve for x
    x = 6,246,861.08/2,445.20
  6. Step 6: Final answer
    x = 2,554.74

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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.