Home / 3,182.40-4,389.53-3,124.08

Finding the Fourth Proportional to 3,182.40, 4,389.53 and 3,124.08

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Solution

The fourth proportional to 3,182.40, 4,389.53 and 3,124.08 is: 4,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.40 : 4,389.53 = 3,124.08 : x
  2. Step 2: Convert to fraction form
    3,182.40/4,389.53 = 3,124.08/x
  3. Step 3: Cross multiply
    3,182.40x = 4,389.53 × 3,124.08
  4. Step 4: Simplify right side
    3,182.40x = 13,713,227.26
  5. Step 5: Solve for x
    x = 13,713,227.26/3,182.40
  6. Step 6: Final answer
    x = 4,309.08

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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.