Home / 2,801.60-4,173.65-2,675.24

Finding the Fourth Proportional to 2,801.60, 4,173.65 and 2,675.24

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Solution

The fourth proportional to 2,801.60, 4,173.65 and 2,675.24 is: 3,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.60 : 4,173.65 = 2,675.24 : x
  2. Step 2: Convert to fraction form
    2,801.60/4,173.65 = 2,675.24/x
  3. Step 3: Cross multiply
    2,801.60x = 4,173.65 × 2,675.24
  4. Step 4: Simplify right side
    2,801.60x = 11,165,481.18
  5. Step 5: Solve for x
    x = 11,165,481.18/2,801.60
  6. Step 6: Final answer
    x = 3,985.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.