Home / 1,856.19-2,560.28-1,069.95

Finding the Fourth Proportional to 1,856.19, 2,560.28 and 1,069.95

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Solution

The fourth proportional to 1,856.19, 2,560.28 and 1,069.95 is: 1,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.19 : 2,560.28 = 1,069.95 : x
  2. Step 2: Convert to fraction form
    1,856.19/2,560.28 = 1,069.95/x
  3. Step 3: Cross multiply
    1,856.19x = 2,560.28 × 1,069.95
  4. Step 4: Simplify right side
    1,856.19x = 2,739,366.24
  5. Step 5: Solve for x
    x = 2,739,366.24/1,856.19
  6. Step 6: Final answer
    x = 1,475.80

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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.