Home / 1,660.20-2,477.45-1,476.15

Finding the Fourth Proportional to 1,660.20, 2,477.45 and 1,476.15

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Solution

The fourth proportional to 1,660.20, 2,477.45 and 1,476.15 is: 2,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.20 : 2,477.45 = 1,476.15 : x
  2. Step 2: Convert to fraction form
    1,660.20/2,477.45 = 1,476.15/x
  3. Step 3: Cross multiply
    1,660.20x = 2,477.45 × 1,476.15
  4. Step 4: Simplify right side
    1,660.20x = 3,657,080.44
  5. Step 5: Solve for x
    x = 3,657,080.44/1,660.20
  6. Step 6: Final answer
    x = 2,202.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.