Home / 2,087.71-2,880.44-1,301.47

Finding the Fourth Proportional to 2,087.71, 2,880.44 and 1,301.47

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Solution

The fourth proportional to 2,087.71, 2,880.44 and 1,301.47 is: 1,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.71 : 2,880.44 = 1,301.47 : x
  2. Step 2: Convert to fraction form
    2,087.71/2,880.44 = 1,301.47/x
  3. Step 3: Cross multiply
    2,087.71x = 2,880.44 × 1,301.47
  4. Step 4: Simplify right side
    2,087.71x = 3,748,799.74
  5. Step 5: Solve for x
    x = 3,748,799.74/2,087.71
  6. Step 6: Final answer
    x = 1,795.65

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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.