Home / 2,076.46-2,864.65-1,330.26

Finding the Fourth Proportional to 2,076.46, 2,864.65 and 1,330.26

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Solution

The fourth proportional to 2,076.46, 2,864.65 and 1,330.26 is: 1,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.46 : 2,864.65 = 1,330.26 : x
  2. Step 2: Convert to fraction form
    2,076.46/2,864.65 = 1,330.26/x
  3. Step 3: Cross multiply
    2,076.46x = 2,864.65 × 1,330.26
  4. Step 4: Simplify right side
    2,076.46x = 3,810,729.31
  5. Step 5: Solve for x
    x = 3,810,729.31/2,076.46
  6. Step 6: Final answer
    x = 1,835.20

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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.