Home / 3,614.48-4,988.54-2,619.39

Finding the Fourth Proportional to 3,614.48, 4,988.54 and 2,619.39

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Solution

The fourth proportional to 3,614.48, 4,988.54 and 2,619.39 is: 3,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.48 : 4,988.54 = 2,619.39 : x
  2. Step 2: Convert to fraction form
    3,614.48/4,988.54 = 2,619.39/x
  3. Step 3: Cross multiply
    3,614.48x = 4,988.54 × 2,619.39
  4. Step 4: Simplify right side
    3,614.48x = 13,066,938.34
  5. Step 5: Solve for x
    x = 13,066,938.34/3,614.48
  6. Step 6: Final answer
    x = 3,615.17

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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.