Home / 2,579.61-3,561.47-1,740.45

Finding the Fourth Proportional to 2,579.61, 3,561.47 and 1,740.45

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Solution

The fourth proportional to 2,579.61, 3,561.47 and 1,740.45 is: 2,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.61 : 3,561.47 = 1,740.45 : x
  2. Step 2: Convert to fraction form
    2,579.61/3,561.47 = 1,740.45/x
  3. Step 3: Cross multiply
    2,579.61x = 3,561.47 × 1,740.45
  4. Step 4: Simplify right side
    2,579.61x = 6,198,551.76
  5. Step 5: Solve for x
    x = 6,198,551.76/2,579.61
  6. Step 6: Final answer
    x = 2,402.90

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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.