Home / 3,613.35-5,417.40-2,440.45

Finding the Fourth Proportional to 3,613.35, 5,417.40 and 2,440.45

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Solution

The fourth proportional to 3,613.35, 5,417.40 and 2,440.45 is: 3,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.35 : 5,417.40 = 2,440.45 : x
  2. Step 2: Convert to fraction form
    3,613.35/5,417.40 = 2,440.45/x
  3. Step 3: Cross multiply
    3,613.35x = 5,417.40 × 2,440.45
  4. Step 4: Simplify right side
    3,613.35x = 13,220,865.55
  5. Step 5: Solve for x
    x = 13,220,865.55/3,613.35
  6. Step 6: Final answer
    x = 3,658.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.