Home / 3,125.08-4,312.56-1,798.84

Finding the Fourth Proportional to 3,125.08, 4,312.56 and 1,798.84

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Solution

The fourth proportional to 3,125.08, 4,312.56 and 1,798.84 is: 2,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.08 : 4,312.56 = 1,798.84 : x
  2. Step 2: Convert to fraction form
    3,125.08/4,312.56 = 1,798.84/x
  3. Step 3: Cross multiply
    3,125.08x = 4,312.56 × 1,798.84
  4. Step 4: Simplify right side
    3,125.08x = 7,757,605.43
  5. Step 5: Solve for x
    x = 7,757,605.43/3,125.08
  6. Step 6: Final answer
    x = 2,482.37

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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.