Home / 1,900.81-2,862.40-1,660.24

Finding the Fourth Proportional to 1,900.81, 2,862.40 and 1,660.24

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Solution

The fourth proportional to 1,900.81, 2,862.40 and 1,660.24 is: 2,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.81 : 2,862.40 = 1,660.24 : x
  2. Step 2: Convert to fraction form
    1,900.81/2,862.40 = 1,660.24/x
  3. Step 3: Cross multiply
    1,900.81x = 2,862.40 × 1,660.24
  4. Step 4: Simplify right side
    1,900.81x = 4,752,270.98
  5. Step 5: Solve for x
    x = 4,752,270.98/1,900.81
  6. Step 6: Final answer
    x = 2,500.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.