Home / 1,535.73-2,299.95-1,127.49

Finding the Fourth Proportional to 1,535.73, 2,299.95 and 1,127.49

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Solution

The fourth proportional to 1,535.73, 2,299.95 and 1,127.49 is: 1,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.73 : 2,299.95 = 1,127.49 : x
  2. Step 2: Convert to fraction form
    1,535.73/2,299.95 = 1,127.49/x
  3. Step 3: Cross multiply
    1,535.73x = 2,299.95 × 1,127.49
  4. Step 4: Simplify right side
    1,535.73x = 2,593,170.63
  5. Step 5: Solve for x
    x = 2,593,170.63/1,535.73
  6. Step 6: Final answer
    x = 1,688.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.