Home / 2,875.80-4,313.70-1,948.35

Finding the Fourth Proportional to 2,875.80, 4,313.70 and 1,948.35

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Solution

The fourth proportional to 2,875.80, 4,313.70 and 1,948.35 is: 2,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.80 : 4,313.70 = 1,948.35 : x
  2. Step 2: Convert to fraction form
    2,875.80/4,313.70 = 1,948.35/x
  3. Step 3: Cross multiply
    2,875.80x = 4,313.70 × 1,948.35
  4. Step 4: Simplify right side
    2,875.80x = 8,404,597.40
  5. Step 5: Solve for x
    x = 8,404,597.40/2,875.80
  6. Step 6: Final answer
    x = 2,922.53

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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.