Home / 1,552.77-2,141.44-1,113.55

Finding the Fourth Proportional to 1,552.77, 2,141.44 and 1,113.55

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Solution

The fourth proportional to 1,552.77, 2,141.44 and 1,113.55 is: 1,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.77 : 2,141.44 = 1,113.55 : x
  2. Step 2: Convert to fraction form
    1,552.77/2,141.44 = 1,113.55/x
  3. Step 3: Cross multiply
    1,552.77x = 2,141.44 × 1,113.55
  4. Step 4: Simplify right side
    1,552.77x = 2,384,592.37
  5. Step 5: Solve for x
    x = 2,384,592.37/1,552.77
  6. Step 6: Final answer
    x = 1,535.70

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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.