Home / 2,785.02-4,177.06-1,304.40

Finding the Fourth Proportional to 2,785.02, 4,177.06 and 1,304.40

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Solution

The fourth proportional to 2,785.02, 4,177.06 and 1,304.40 is: 1,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.02 : 4,177.06 = 1,304.40 : x
  2. Step 2: Convert to fraction form
    2,785.02/4,177.06 = 1,304.40/x
  3. Step 3: Cross multiply
    2,785.02x = 4,177.06 × 1,304.40
  4. Step 4: Simplify right side
    2,785.02x = 5,448,557.06
  5. Step 5: Solve for x
    x = 5,448,557.06/2,785.02
  6. Step 6: Final answer
    x = 1,956.38

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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.