Home / 3,100.17-4,277.00-1,840.32

Finding the Fourth Proportional to 3,100.17, 4,277.00 and 1,840.32

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Solution

The fourth proportional to 3,100.17, 4,277.00 and 1,840.32 is: 2,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.17 : 4,277.00 = 1,840.32 : x
  2. Step 2: Convert to fraction form
    3,100.17/4,277.00 = 1,840.32/x
  3. Step 3: Cross multiply
    3,100.17x = 4,277.00 × 1,840.32
  4. Step 4: Simplify right side
    3,100.17x = 7,871,053.24
  5. Step 5: Solve for x
    x = 7,871,053.24/3,100.17
  6. Step 6: Final answer
    x = 2,538.91

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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.