Home / 3,615.48-4,988.16-2,197.98

Finding the Fourth Proportional to 3,615.48, 4,988.16 and 2,197.98

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Solution

The fourth proportional to 3,615.48, 4,988.16 and 2,197.98 is: 3,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.48 : 4,988.16 = 2,197.98 : x
  2. Step 2: Convert to fraction form
    3,615.48/4,988.16 = 2,197.98/x
  3. Step 3: Cross multiply
    3,615.48x = 4,988.16 × 2,197.98
  4. Step 4: Simplify right side
    3,615.48x = 10,963,875.92
  5. Step 5: Solve for x
    x = 10,963,875.92/3,615.48
  6. Step 6: Final answer
    x = 3,032.48

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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.