Home / 2,056.51-2,836.78-1,270

Finding the Fourth Proportional to 2,056.51, 2,836.78 and 1,270

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Solution

The fourth proportional to 2,056.51, 2,836.78 and 1,270 is: 1,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.51 : 2,836.78 = 1,270 : x
  2. Step 2: Convert to fraction form
    2,056.51/2,836.78 = 1,270/x
  3. Step 3: Cross multiply
    2,056.51x = 2,836.78 × 1,270
  4. Step 4: Simplify right side
    2,056.51x = 3,602,710.60
  5. Step 5: Solve for x
    x = 3,602,710.60/2,056.51
  6. Step 6: Final answer
    x = 1,751.86

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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.