Home / 1,995.02-2,752.88-1,110.76

Finding the Fourth Proportional to 1,995.02, 2,752.88 and 1,110.76

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Solution

The fourth proportional to 1,995.02, 2,752.88 and 1,110.76 is: 1,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.02 : 2,752.88 = 1,110.76 : x
  2. Step 2: Convert to fraction form
    1,995.02/2,752.88 = 1,110.76/x
  3. Step 3: Cross multiply
    1,995.02x = 2,752.88 × 1,110.76
  4. Step 4: Simplify right side
    1,995.02x = 3,057,788.99
  5. Step 5: Solve for x
    x = 3,057,788.99/1,995.02
  6. Step 6: Final answer
    x = 1,532.71

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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.