Home / 2,180.49-3,009.56-1,341.92

Finding the Fourth Proportional to 2,180.49, 3,009.56 and 1,341.92

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Solution

The fourth proportional to 2,180.49, 3,009.56 and 1,341.92 is: 1,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.49 : 3,009.56 = 1,341.92 : x
  2. Step 2: Convert to fraction form
    2,180.49/3,009.56 = 1,341.92/x
  3. Step 3: Cross multiply
    2,180.49x = 3,009.56 × 1,341.92
  4. Step 4: Simplify right side
    2,180.49x = 4,038,567.00
  5. Step 5: Solve for x
    x = 4,038,567.00/2,180.49
  6. Step 6: Final answer
    x = 1,852.14

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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.