Home / 1,681.89-2,520.06-1,023.94

Finding the Fourth Proportional to 1,681.89, 2,520.06 and 1,023.94

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Solution

The fourth proportional to 1,681.89, 2,520.06 and 1,023.94 is: 1,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681.89 : 2,520.06 = 1,023.94 : x
  2. Step 2: Convert to fraction form
    1,681.89/2,520.06 = 1,023.94/x
  3. Step 3: Cross multiply
    1,681.89x = 2,520.06 × 1,023.94
  4. Step 4: Simplify right side
    1,681.89x = 2,580,390.24
  5. Step 5: Solve for x
    x = 2,580,390.24/1,681.89
  6. Step 6: Final answer
    x = 1,534.22

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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.