Home / 3,152.70-4,348.80-2,090.52

Finding the Fourth Proportional to 3,152.70, 4,348.80 and 2,090.52

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Solution

The fourth proportional to 3,152.70, 4,348.80 and 2,090.52 is: 2,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.70 : 4,348.80 = 2,090.52 : x
  2. Step 2: Convert to fraction form
    3,152.70/4,348.80 = 2,090.52/x
  3. Step 3: Cross multiply
    3,152.70x = 4,348.80 × 2,090.52
  4. Step 4: Simplify right side
    3,152.70x = 9,091,253.38
  5. Step 5: Solve for x
    x = 9,091,253.38/3,152.70
  6. Step 6: Final answer
    x = 2,883.64

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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.