Home / 3,077.13-4,617.05-1,615.95

Finding the Fourth Proportional to 3,077.13, 4,617.05 and 1,615.95

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Solution

The fourth proportional to 3,077.13, 4,617.05 and 1,615.95 is: 2,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.13 : 4,617.05 = 1,615.95 : x
  2. Step 2: Convert to fraction form
    3,077.13/4,617.05 = 1,615.95/x
  3. Step 3: Cross multiply
    3,077.13x = 4,617.05 × 1,615.95
  4. Step 4: Simplify right side
    3,077.13x = 7,460,913.87
  5. Step 5: Solve for x
    x = 7,460,913.87/3,077.13
  6. Step 6: Final answer
    x = 2,424.63

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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.