Home / 3,047.02-4,205.67-1,721.50

Finding the Fourth Proportional to 3,047.02, 4,205.67 and 1,721.50

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Solution

The fourth proportional to 3,047.02, 4,205.67 and 1,721.50 is: 2,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.02 : 4,205.67 = 1,721.50 : x
  2. Step 2: Convert to fraction form
    3,047.02/4,205.67 = 1,721.50/x
  3. Step 3: Cross multiply
    3,047.02x = 4,205.67 × 1,721.50
  4. Step 4: Simplify right side
    3,047.02x = 7,240,060.91
  5. Step 5: Solve for x
    x = 7,240,060.91/3,047.02
  6. Step 6: Final answer
    x = 2,376.11

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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.