Home / 1,544.51-2,316.76-928.40

Finding the Fourth Proportional to 1,544.51, 2,316.76 and 928.40

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Solution

The fourth proportional to 1,544.51, 2,316.76 and 928.40 is: 1,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.51 : 2,316.76 = 928.40 : x
  2. Step 2: Convert to fraction form
    1,544.51/2,316.76 = 928.40/x
  3. Step 3: Cross multiply
    1,544.51x = 2,316.76 × 928.40
  4. Step 4: Simplify right side
    1,544.51x = 2,150,879.98
  5. Step 5: Solve for x
    x = 2,150,879.98/1,544.51
  6. Step 6: Final answer
    x = 1,392.60

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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.