Home / 2,955.75-4,077.28-1,877.03

Finding the Fourth Proportional to 2,955.75, 4,077.28 and 1,877.03

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Solution

The fourth proportional to 2,955.75, 4,077.28 and 1,877.03 is: 2,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.75 : 4,077.28 = 1,877.03 : x
  2. Step 2: Convert to fraction form
    2,955.75/4,077.28 = 1,877.03/x
  3. Step 3: Cross multiply
    2,955.75x = 4,077.28 × 1,877.03
  4. Step 4: Simplify right side
    2,955.75x = 7,653,176.88
  5. Step 5: Solve for x
    x = 7,653,176.88/2,955.75
  6. Step 6: Final answer
    x = 2,589.25

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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.