Home / 3,000.47-4,141.40-1,822.53

Finding the Fourth Proportional to 3,000.47, 4,141.40 and 1,822.53

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Solution

The fourth proportional to 3,000.47, 4,141.40 and 1,822.53 is: 2,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.47 : 4,141.40 = 1,822.53 : x
  2. Step 2: Convert to fraction form
    3,000.47/4,141.40 = 1,822.53/x
  3. Step 3: Cross multiply
    3,000.47x = 4,141.40 × 1,822.53
  4. Step 4: Simplify right side
    3,000.47x = 7,547,816.63
  5. Step 5: Solve for x
    x = 7,547,816.63/3,000.47
  6. Step 6: Final answer
    x = 2,515.54

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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.