Home / 3,686.15-5,520.56-1,926.98

Finding the Fourth Proportional to 3,686.15, 5,520.56 and 1,926.98

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Solution

The fourth proportional to 3,686.15, 5,520.56 and 1,926.98 is: 2,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.15 : 5,520.56 = 1,926.98 : x
  2. Step 2: Convert to fraction form
    3,686.15/5,520.56 = 1,926.98/x
  3. Step 3: Cross multiply
    3,686.15x = 5,520.56 × 1,926.98
  4. Step 4: Simplify right side
    3,686.15x = 10,637,971.47
  5. Step 5: Solve for x
    x = 10,637,971.47/3,686.15
  6. Step 6: Final answer
    x = 2,885.93

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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.