Home / 2,984.89-4,477.65-1,685.11

Finding the Fourth Proportional to 2,984.89, 4,477.65 and 1,685.11

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Solution

The fourth proportional to 2,984.89, 4,477.65 and 1,685.11 is: 2,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.89 : 4,477.65 = 1,685.11 : x
  2. Step 2: Convert to fraction form
    2,984.89/4,477.65 = 1,685.11/x
  3. Step 3: Cross multiply
    2,984.89x = 4,477.65 × 1,685.11
  4. Step 4: Simplify right side
    2,984.89x = 7,545,332.79
  5. Step 5: Solve for x
    x = 7,545,332.79/2,984.89
  6. Step 6: Final answer
    x = 2,527.84

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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.