Home / 3,045.23-4,201.08-1,785.65

Finding the Fourth Proportional to 3,045.23, 4,201.08 and 1,785.65

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Solution

The fourth proportional to 3,045.23, 4,201.08 and 1,785.65 is: 2,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.23 : 4,201.08 = 1,785.65 : x
  2. Step 2: Convert to fraction form
    3,045.23/4,201.08 = 1,785.65/x
  3. Step 3: Cross multiply
    3,045.23x = 4,201.08 × 1,785.65
  4. Step 4: Simplify right side
    3,045.23x = 7,501,630.80
  5. Step 5: Solve for x
    x = 7,501,630.80/3,045.23
  6. Step 6: Final answer
    x = 2,463.40

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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.