Home / 2,785.35-4,177.67-1,053.75

Finding the Fourth Proportional to 2,785.35, 4,177.67 and 1,053.75

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Solution

The fourth proportional to 2,785.35, 4,177.67 and 1,053.75 is: 1,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.35 : 4,177.67 = 1,053.75 : x
  2. Step 2: Convert to fraction form
    2,785.35/4,177.67 = 1,053.75/x
  3. Step 3: Cross multiply
    2,785.35x = 4,177.67 × 1,053.75
  4. Step 4: Simplify right side
    2,785.35x = 4,402,214.49
  5. Step 5: Solve for x
    x = 4,402,214.49/2,785.35
  6. Step 6: Final answer
    x = 1,580.49

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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.