Home / 1,544.06-2,131.20-955.10

Finding the Fourth Proportional to 1,544.06, 2,131.20 and 955.10

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Solution

The fourth proportional to 1,544.06, 2,131.20 and 955.10 is: 1,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.06 : 2,131.20 = 955.10 : x
  2. Step 2: Convert to fraction form
    1,544.06/2,131.20 = 955.10/x
  3. Step 3: Cross multiply
    1,544.06x = 2,131.20 × 955.10
  4. Step 4: Simplify right side
    1,544.06x = 2,035,509.12
  5. Step 5: Solve for x
    x = 2,035,509.12/1,544.06
  6. Step 6: Final answer
    x = 1,318.28

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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.