Home / 1,881.40-2,594.62-1,615.76

Finding the Fourth Proportional to 1,881.40, 2,594.62 and 1,615.76

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Solution

The fourth proportional to 1,881.40, 2,594.62 and 1,615.76 is: 2,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.40 : 2,594.62 = 1,615.76 : x
  2. Step 2: Convert to fraction form
    1,881.40/2,594.62 = 1,615.76/x
  3. Step 3: Cross multiply
    1,881.40x = 2,594.62 × 1,615.76
  4. Step 4: Simplify right side
    1,881.40x = 4,192,283.21
  5. Step 5: Solve for x
    x = 4,192,283.21/1,881.40
  6. Step 6: Final answer
    x = 2,228.28

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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.