Home / 3,126.58-4,686.62-1,045.02

Finding the Fourth Proportional to 3,126.58, 4,686.62 and 1,045.02

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Solution

The fourth proportional to 3,126.58, 4,686.62 and 1,045.02 is: 1,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.58 : 4,686.62 = 1,045.02 : x
  2. Step 2: Convert to fraction form
    3,126.58/4,686.62 = 1,045.02/x
  3. Step 3: Cross multiply
    3,126.58x = 4,686.62 × 1,045.02
  4. Step 4: Simplify right side
    3,126.58x = 4,897,611.63
  5. Step 5: Solve for x
    x = 4,897,611.63/3,126.58
  6. Step 6: Final answer
    x = 1,566.44

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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.