Home / 2,087.41-3,132.64-1,681.45

Finding the Fourth Proportional to 2,087.41, 3,132.64 and 1,681.45

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Solution

The fourth proportional to 2,087.41, 3,132.64 and 1,681.45 is: 2,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.41 : 3,132.64 = 1,681.45 : x
  2. Step 2: Convert to fraction form
    2,087.41/3,132.64 = 1,681.45/x
  3. Step 3: Cross multiply
    2,087.41x = 3,132.64 × 1,681.45
  4. Step 4: Simplify right side
    2,087.41x = 5,267,377.24
  5. Step 5: Solve for x
    x = 5,267,377.24/2,087.41
  6. Step 6: Final answer
    x = 2,523.40

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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.