Home / 3,685.69-5,527.95-1,220.52

Finding the Fourth Proportional to 3,685.69, 5,527.95 and 1,220.52

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Solution

The fourth proportional to 3,685.69, 5,527.95 and 1,220.52 is: 1,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.69 : 5,527.95 = 1,220.52 : x
  2. Step 2: Convert to fraction form
    3,685.69/5,527.95 = 1,220.52/x
  3. Step 3: Cross multiply
    3,685.69x = 5,527.95 × 1,220.52
  4. Step 4: Simplify right side
    3,685.69x = 6,746,973.53
  5. Step 5: Solve for x
    x = 6,746,973.53/3,685.69
  6. Step 6: Final answer
    x = 1,830.59

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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.