Home / 3,877.47-5,816.40-1,104.34

Finding the Fourth Proportional to 3,877.47, 5,816.40 and 1,104.34

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Solution

The fourth proportional to 3,877.47, 5,816.40 and 1,104.34 is: 1,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.47 : 5,816.40 = 1,104.34 : x
  2. Step 2: Convert to fraction form
    3,877.47/5,816.40 = 1,104.34/x
  3. Step 3: Cross multiply
    3,877.47x = 5,816.40 × 1,104.34
  4. Step 4: Simplify right side
    3,877.47x = 6,423,283.18
  5. Step 5: Solve for x
    x = 6,423,283.18/3,877.47
  6. Step 6: Final answer
    x = 1,656.57

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1.5x scale

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.