Home / 3,057.40-4,585.98-2,130.28

Finding the Fourth Proportional to 3,057.40, 4,585.98 and 2,130.28

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Solution

The fourth proportional to 3,057.40, 4,585.98 and 2,130.28 is: 3,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.40 : 4,585.98 = 2,130.28 : x
  2. Step 2: Convert to fraction form
    3,057.40/4,585.98 = 2,130.28/x
  3. Step 3: Cross multiply
    3,057.40x = 4,585.98 × 2,130.28
  4. Step 4: Simplify right side
    3,057.40x = 9,769,421.47
  5. Step 5: Solve for x
    x = 9,769,421.47/3,057.40
  6. Step 6: Final answer
    x = 3,195.34

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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.