Home / 4,130.68-6,197.84-1,670.31

Finding the Fourth Proportional to 4,130.68, 6,197.84 and 1,670.31

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Solution

The fourth proportional to 4,130.68, 6,197.84 and 1,670.31 is: 2,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.68 : 6,197.84 = 1,670.31 : x
  2. Step 2: Convert to fraction form
    4,130.68/6,197.84 = 1,670.31/x
  3. Step 3: Cross multiply
    4,130.68x = 6,197.84 × 1,670.31
  4. Step 4: Simplify right side
    4,130.68x = 10,352,314.13
  5. Step 5: Solve for x
    x = 10,352,314.13/4,130.68
  6. Step 6: Final answer
    x = 2,506.20

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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.