Home / 4,040.16-5,575.80-2,271.68

Finding the Fourth Proportional to 4,040.16, 5,575.80 and 2,271.68

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Solution

The fourth proportional to 4,040.16, 5,575.80 and 2,271.68 is: 3,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.16 : 5,575.80 = 2,271.68 : x
  2. Step 2: Convert to fraction form
    4,040.16/5,575.80 = 2,271.68/x
  3. Step 3: Cross multiply
    4,040.16x = 5,575.80 × 2,271.68
  4. Step 4: Simplify right side
    4,040.16x = 12,666,433.34
  5. Step 5: Solve for x
    x = 12,666,433.34/4,040.16
  6. Step 6: Final answer
    x = 3,135.13

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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.