Home / 2,795.36-4,189.80-1,870.16

Finding the Fourth Proportional to 2,795.36, 4,189.80 and 1,870.16

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Solution

The fourth proportional to 2,795.36, 4,189.80 and 1,870.16 is: 2,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.36 : 4,189.80 = 1,870.16 : x
  2. Step 2: Convert to fraction form
    2,795.36/4,189.80 = 1,870.16/x
  3. Step 3: Cross multiply
    2,795.36x = 4,189.80 × 1,870.16
  4. Step 4: Simplify right side
    2,795.36x = 7,835,596.37
  5. Step 5: Solve for x
    x = 7,835,596.37/2,795.36
  6. Step 6: Final answer
    x = 2,803.07

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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.