Home / 2,905.16-4,352.52-2,445.80

Finding the Fourth Proportional to 2,905.16, 4,352.52 and 2,445.80

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Solution

The fourth proportional to 2,905.16, 4,352.52 and 2,445.80 is: 3,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.16 : 4,352.52 = 2,445.80 : x
  2. Step 2: Convert to fraction form
    2,905.16/4,352.52 = 2,445.80/x
  3. Step 3: Cross multiply
    2,905.16x = 4,352.52 × 2,445.80
  4. Step 4: Simplify right side
    2,905.16x = 10,645,393.42
  5. Step 5: Solve for x
    x = 10,645,393.42/2,905.16
  6. Step 6: Final answer
    x = 3,664.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.