Home / 3,030.99-4,182.33-1,686.49

Finding the Fourth Proportional to 3,030.99, 4,182.33 and 1,686.49

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Solution

The fourth proportional to 3,030.99, 4,182.33 and 1,686.49 is: 2,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.99 : 4,182.33 = 1,686.49 : x
  2. Step 2: Convert to fraction form
    3,030.99/4,182.33 = 1,686.49/x
  3. Step 3: Cross multiply
    3,030.99x = 4,182.33 × 1,686.49
  4. Step 4: Simplify right side
    3,030.99x = 7,053,457.72
  5. Step 5: Solve for x
    x = 7,053,457.72/3,030.99
  6. Step 6: Final answer
    x = 2,327.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.