Home / 3,126.55-4,690.29-1,017.48

Finding the Fourth Proportional to 3,126.55, 4,690.29 and 1,017.48

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Solution

The fourth proportional to 3,126.55, 4,690.29 and 1,017.48 is: 1,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.55 : 4,690.29 = 1,017.48 : x
  2. Step 2: Convert to fraction form
    3,126.55/4,690.29 = 1,017.48/x
  3. Step 3: Cross multiply
    3,126.55x = 4,690.29 × 1,017.48
  4. Step 4: Simplify right side
    3,126.55x = 4,772,276.27
  5. Step 5: Solve for x
    x = 4,772,276.27/3,126.55
  6. Step 6: Final answer
    x = 1,526.37

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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.