Home / 1,856.36-2,561.82-1,070.48

Finding the Fourth Proportional to 1,856.36, 2,561.82 and 1,070.48

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Solution

The fourth proportional to 1,856.36, 2,561.82 and 1,070.48 is: 1,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.36 : 2,561.82 = 1,070.48 : x
  2. Step 2: Convert to fraction form
    1,856.36/2,561.82 = 1,070.48/x
  3. Step 3: Cross multiply
    1,856.36x = 2,561.82 × 1,070.48
  4. Step 4: Simplify right side
    1,856.36x = 2,742,377.07
  5. Step 5: Solve for x
    x = 2,742,377.07/1,856.36
  6. Step 6: Final answer
    x = 1,477.29

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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.