Home / 3,539.72-4,886.13-3,040.35

Finding the Fourth Proportional to 3,539.72, 4,886.13 and 3,040.35

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Solution

The fourth proportional to 3,539.72, 4,886.13 and 3,040.35 is: 4,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.72 : 4,886.13 = 3,040.35 : x
  2. Step 2: Convert to fraction form
    3,539.72/4,886.13 = 3,040.35/x
  3. Step 3: Cross multiply
    3,539.72x = 4,886.13 × 3,040.35
  4. Step 4: Simplify right side
    3,539.72x = 14,855,545.35
  5. Step 5: Solve for x
    x = 14,855,545.35/3,539.72
  6. Step 6: Final answer
    x = 4,196.82

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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.