Home / 2,425.84-3,642.15-1,683.69

Finding the Fourth Proportional to 2,425.84, 3,642.15 and 1,683.69

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Solution

The fourth proportional to 2,425.84, 3,642.15 and 1,683.69 is: 2,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.84 : 3,642.15 = 1,683.69 : x
  2. Step 2: Convert to fraction form
    2,425.84/3,642.15 = 1,683.69/x
  3. Step 3: Cross multiply
    2,425.84x = 3,642.15 × 1,683.69
  4. Step 4: Simplify right side
    2,425.84x = 6,132,251.53
  5. Step 5: Solve for x
    x = 6,132,251.53/2,425.84
  6. Step 6: Final answer
    x = 2,527.89

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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.