Home / 3,125.25-4,313.27-1,798.71

Finding the Fourth Proportional to 3,125.25, 4,313.27 and 1,798.71

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Solution

The fourth proportional to 3,125.25, 4,313.27 and 1,798.71 is: 2,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.25 : 4,313.27 = 1,798.71 : x
  2. Step 2: Convert to fraction form
    3,125.25/4,313.27 = 1,798.71/x
  3. Step 3: Cross multiply
    3,125.25x = 4,313.27 × 1,798.71
  4. Step 4: Simplify right side
    3,125.25x = 7,758,312.89
  5. Step 5: Solve for x
    x = 7,758,312.89/3,125.25
  6. Step 6: Final answer
    x = 2,482.46

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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.