Home / 2,848.59-4,275.09-1,977.21

Finding the Fourth Proportional to 2,848.59, 4,275.09 and 1,977.21

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Solution

The fourth proportional to 2,848.59, 4,275.09 and 1,977.21 is: 2,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.59 : 4,275.09 = 1,977.21 : x
  2. Step 2: Convert to fraction form
    2,848.59/4,275.09 = 1,977.21/x
  3. Step 3: Cross multiply
    2,848.59x = 4,275.09 × 1,977.21
  4. Step 4: Simplify right side
    2,848.59x = 8,452,750.70
  5. Step 5: Solve for x
    x = 8,452,750.70/2,848.59
  6. Step 6: Final answer
    x = 2,967.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.