Home / 1,857.54-2,564.04-1,071.84

Finding the Fourth Proportional to 1,857.54, 2,564.04 and 1,071.84

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Solution

The fourth proportional to 1,857.54, 2,564.04 and 1,071.84 is: 1,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.54 : 2,564.04 = 1,071.84 : x
  2. Step 2: Convert to fraction form
    1,857.54/2,564.04 = 1,071.84/x
  3. Step 3: Cross multiply
    1,857.54x = 2,564.04 × 1,071.84
  4. Step 4: Simplify right side
    1,857.54x = 2,748,240.63
  5. Step 5: Solve for x
    x = 2,748,240.63/1,857.54
  6. Step 6: Final answer
    x = 1,479.51

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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.