Home / 3,718.76-5,130.42-2,460.50

Finding the Fourth Proportional to 3,718.76, 5,130.42 and 2,460.50

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Solution

The fourth proportional to 3,718.76, 5,130.42 and 2,460.50 is: 3,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.76 : 5,130.42 = 2,460.50 : x
  2. Step 2: Convert to fraction form
    3,718.76/5,130.42 = 2,460.50/x
  3. Step 3: Cross multiply
    3,718.76x = 5,130.42 × 2,460.50
  4. Step 4: Simplify right side
    3,718.76x = 12,623,398.41
  5. Step 5: Solve for x
    x = 12,623,398.41/3,718.76
  6. Step 6: Final answer
    x = 3,394.52

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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.