Home / 1,343.90-2,004.36-1,180.45

Finding the Fourth Proportional to 1,343.90, 2,004.36 and 1,180.45

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Solution

The fourth proportional to 1,343.90, 2,004.36 and 1,180.45 is: 1,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.90 : 2,004.36 = 1,180.45 : x
  2. Step 2: Convert to fraction form
    1,343.90/2,004.36 = 1,180.45/x
  3. Step 3: Cross multiply
    1,343.90x = 2,004.36 × 1,180.45
  4. Step 4: Simplify right side
    1,343.90x = 2,366,036.74
  5. Step 5: Solve for x
    x = 2,366,036.74/1,343.90
  6. Step 6: Final answer
    x = 1,760.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.