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Finding the Fourth Proportional to 1,544.51, 2,316.84 and 886.21

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Solution

The fourth proportional to 1,544.51, 2,316.84 and 886.21 is: 1,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.51 : 2,316.84 = 886.21 : x
  2. Step 2: Convert to fraction form
    1,544.51/2,316.84 = 886.21/x
  3. Step 3: Cross multiply
    1,544.51x = 2,316.84 × 886.21
  4. Step 4: Simplify right side
    1,544.51x = 2,053,195.19
  5. Step 5: Solve for x
    x = 2,053,195.19/1,544.51
  6. Step 6: Final answer
    x = 1,329.35

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1.5x scale

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.