Home / 3,975.24-5,488.30-3,077.35

Finding the Fourth Proportional to 3,975.24, 5,488.30 and 3,077.35

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Solution

The fourth proportional to 3,975.24, 5,488.30 and 3,077.35 is: 4,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.24 : 5,488.30 = 3,077.35 : x
  2. Step 2: Convert to fraction form
    3,975.24/5,488.30 = 3,077.35/x
  3. Step 3: Cross multiply
    3,975.24x = 5,488.30 × 3,077.35
  4. Step 4: Simplify right side
    3,975.24x = 16,889,412.31
  5. Step 5: Solve for x
    x = 16,889,412.31/3,975.24
  6. Step 6: Final answer
    x = 4,248.66

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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.