Home / 2,100.02-3,148.80-1,232.50

Finding the Fourth Proportional to 2,100.02, 3,148.80 and 1,232.50

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Solution

The fourth proportional to 2,100.02, 3,148.80 and 1,232.50 is: 1,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.02 : 3,148.80 = 1,232.50 : x
  2. Step 2: Convert to fraction form
    2,100.02/3,148.80 = 1,232.50/x
  3. Step 3: Cross multiply
    2,100.02x = 3,148.80 × 1,232.50
  4. Step 4: Simplify right side
    2,100.02x = 3,880,896
  5. Step 5: Solve for x
    x = 3,880,896/2,100.02
  6. Step 6: Final answer
    x = 1,848.03

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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.