Home / 4,117.42-5,681.59-2,438.90

Finding the Fourth Proportional to 4,117.42, 5,681.59 and 2,438.90

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Solution

The fourth proportional to 4,117.42, 5,681.59 and 2,438.90 is: 3,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.42 : 5,681.59 = 2,438.90 : x
  2. Step 2: Convert to fraction form
    4,117.42/5,681.59 = 2,438.90/x
  3. Step 3: Cross multiply
    4,117.42x = 5,681.59 × 2,438.90
  4. Step 4: Simplify right side
    4,117.42x = 13,856,795.35
  5. Step 5: Solve for x
    x = 13,856,795.35/4,117.42
  6. Step 6: Final answer
    x = 3,365.41

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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.