Home / 1,856.04-2,561.16-1,069.92

Finding the Fourth Proportional to 1,856.04, 2,561.16 and 1,069.92

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Solution

The fourth proportional to 1,856.04, 2,561.16 and 1,069.92 is: 1,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.04 : 2,561.16 = 1,069.92 : x
  2. Step 2: Convert to fraction form
    1,856.04/2,561.16 = 1,069.92/x
  3. Step 3: Cross multiply
    1,856.04x = 2,561.16 × 1,069.92
  4. Step 4: Simplify right side
    1,856.04x = 2,740,236.31
  5. Step 5: Solve for x
    x = 2,740,236.31/1,856.04
  6. Step 6: Final answer
    x = 1,476.39

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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.