Home / 1,881.14-2,594.27-1,217.30

Finding the Fourth Proportional to 1,881.14, 2,594.27 and 1,217.30

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Solution

The fourth proportional to 1,881.14, 2,594.27 and 1,217.30 is: 1,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.14 : 2,594.27 = 1,217.30 : x
  2. Step 2: Convert to fraction form
    1,881.14/2,594.27 = 1,217.30/x
  3. Step 3: Cross multiply
    1,881.14x = 2,594.27 × 1,217.30
  4. Step 4: Simplify right side
    1,881.14x = 3,157,985.81
  5. Step 5: Solve for x
    x = 3,157,985.81/1,881.14
  6. Step 6: Final answer
    x = 1,678.77

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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.