Home / 1,852.91-2,557.01-1,013.60

Finding the Fourth Proportional to 1,852.91, 2,557.01 and 1,013.60

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Solution

The fourth proportional to 1,852.91, 2,557.01 and 1,013.60 is: 1,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.91 : 2,557.01 = 1,013.60 : x
  2. Step 2: Convert to fraction form
    1,852.91/2,557.01 = 1,013.60/x
  3. Step 3: Cross multiply
    1,852.91x = 2,557.01 × 1,013.60
  4. Step 4: Simplify right side
    1,852.91x = 2,591,785.34
  5. Step 5: Solve for x
    x = 2,591,785.34/1,852.91
  6. Step 6: Final answer
    x = 1,398.76

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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.