Home / 2,696.37-3,721.65-1,800.16

Finding the Fourth Proportional to 2,696.37, 3,721.65 and 1,800.16

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Solution

The fourth proportional to 2,696.37, 3,721.65 and 1,800.16 is: 2,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.37 : 3,721.65 = 1,800.16 : x
  2. Step 2: Convert to fraction form
    2,696.37/3,721.65 = 1,800.16/x
  3. Step 3: Cross multiply
    2,696.37x = 3,721.65 × 1,800.16
  4. Step 4: Simplify right side
    2,696.37x = 6,699,549.41
  5. Step 5: Solve for x
    x = 6,699,549.41/2,696.37
  6. Step 6: Final answer
    x = 2,484.65

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1.5x scale

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.