Home / 2,852.34-3,938.45-2,571.45

Finding the Fourth Proportional to 2,852.34, 3,938.45 and 2,571.45

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Solution

The fourth proportional to 2,852.34, 3,938.45 and 2,571.45 is: 3,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.34 : 3,938.45 = 2,571.45 : x
  2. Step 2: Convert to fraction form
    2,852.34/3,938.45 = 2,571.45/x
  3. Step 3: Cross multiply
    2,852.34x = 3,938.45 × 2,571.45
  4. Step 4: Simplify right side
    2,852.34x = 10,127,514.40
  5. Step 5: Solve for x
    x = 10,127,514.40/2,852.34
  6. Step 6: Final answer
    x = 3,550.60

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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.