Home / 3,160.52-4,353.04-2,740.89

Finding the Fourth Proportional to 3,160.52, 4,353.04 and 2,740.89

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Solution

The fourth proportional to 3,160.52, 4,353.04 and 2,740.89 is: 3,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.52 : 4,353.04 = 2,740.89 : x
  2. Step 2: Convert to fraction form
    3,160.52/4,353.04 = 2,740.89/x
  3. Step 3: Cross multiply
    3,160.52x = 4,353.04 × 2,740.89
  4. Step 4: Simplify right side
    3,160.52x = 11,931,199.07
  5. Step 5: Solve for x
    x = 11,931,199.07/3,160.52
  6. Step 6: Final answer
    x = 3,775.08

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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.