Home / 3,802.30-5,247.45-2,124.00

Finding the Fourth Proportional to 3,802.30, 5,247.45 and 2,124.00

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Solution

The fourth proportional to 3,802.30, 5,247.45 and 2,124.00 is: 2,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.30 : 5,247.45 = 2,124.00 : x
  2. Step 2: Convert to fraction form
    3,802.30/5,247.45 = 2,124.00/x
  3. Step 3: Cross multiply
    3,802.30x = 5,247.45 × 2,124.00
  4. Step 4: Simplify right side
    3,802.30x = 11,145,570.26
  5. Step 5: Solve for x
    x = 11,145,570.26/3,802.30
  6. Step 6: Final answer
    x = 2,931.27

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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.