Home / 3,560.80-4,915.55-2,676.89

Finding the Fourth Proportional to 3,560.80, 4,915.55 and 2,676.89

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Solution

The fourth proportional to 3,560.80, 4,915.55 and 2,676.89 is: 3,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.80 : 4,915.55 = 2,676.89 : x
  2. Step 2: Convert to fraction form
    3,560.80/4,915.55 = 2,676.89/x
  3. Step 3: Cross multiply
    3,560.80x = 4,915.55 × 2,676.89
  4. Step 4: Simplify right side
    3,560.80x = 13,158,386.64
  5. Step 5: Solve for x
    x = 13,158,386.64/3,560.80
  6. Step 6: Final answer
    x = 3,695.35

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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.