Home / 1,560.28-2,153.15-852.14

Finding the Fourth Proportional to 1,560.28, 2,153.15 and 852.14

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Solution

The fourth proportional to 1,560.28, 2,153.15 and 852.14 is: 1,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.28 : 2,153.15 = 852.14 : x
  2. Step 2: Convert to fraction form
    1,560.28/2,153.15 = 852.14/x
  3. Step 3: Cross multiply
    1,560.28x = 2,153.15 × 852.14
  4. Step 4: Simplify right side
    1,560.28x = 1,834,786.36
  5. Step 5: Solve for x
    x = 1,834,786.36/1,560.28
  6. Step 6: Final answer
    x = 1,175.94

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1.5x scale

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.