Home / 2,785.34-4,178.47-1,030.34

Finding the Fourth Proportional to 2,785.34, 4,178.47 and 1,030.34

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Solution

The fourth proportional to 2,785.34, 4,178.47 and 1,030.34 is: 1,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.34 : 4,178.47 = 1,030.34 : x
  2. Step 2: Convert to fraction form
    2,785.34/4,178.47 = 1,030.34/x
  3. Step 3: Cross multiply
    2,785.34x = 4,178.47 × 1,030.34
  4. Step 4: Simplify right side
    2,785.34x = 4,305,244.78
  5. Step 5: Solve for x
    x = 4,305,244.78/2,785.34
  6. Step 6: Final answer
    x = 1,545.68

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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.