Home / 1,888.64-2,606.36-1,142.46

Finding the Fourth Proportional to 1,888.64, 2,606.36 and 1,142.46

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Solution

The fourth proportional to 1,888.64, 2,606.36 and 1,142.46 is: 1,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.64 : 2,606.36 = 1,142.46 : x
  2. Step 2: Convert to fraction form
    1,888.64/2,606.36 = 1,142.46/x
  3. Step 3: Cross multiply
    1,888.64x = 2,606.36 × 1,142.46
  4. Step 4: Simplify right side
    1,888.64x = 2,977,656.33
  5. Step 5: Solve for x
    x = 2,977,656.33/1,888.64
  6. Step 6: Final answer
    x = 1,576.62

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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.