Home / 1,888.47-2,606.39-1,142.52

Finding the Fourth Proportional to 1,888.47, 2,606.39 and 1,142.52

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Solution

The fourth proportional to 1,888.47, 2,606.39 and 1,142.52 is: 1,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.47 : 2,606.39 = 1,142.52 : x
  2. Step 2: Convert to fraction form
    1,888.47/2,606.39 = 1,142.52/x
  3. Step 3: Cross multiply
    1,888.47x = 2,606.39 × 1,142.52
  4. Step 4: Simplify right side
    1,888.47x = 2,977,852.70
  5. Step 5: Solve for x
    x = 2,977,852.70/1,888.47
  6. Step 6: Final answer
    x = 1,576.86

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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.