Home / 2,350.55-3,242.90-1,356.08

Finding the Fourth Proportional to 2,350.55, 3,242.90 and 1,356.08

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Solution

The fourth proportional to 2,350.55, 3,242.90 and 1,356.08 is: 1,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.55 : 3,242.90 = 1,356.08 : x
  2. Step 2: Convert to fraction form
    2,350.55/3,242.90 = 1,356.08/x
  3. Step 3: Cross multiply
    2,350.55x = 3,242.90 × 1,356.08
  4. Step 4: Simplify right side
    2,350.55x = 4,397,619.01
  5. Step 5: Solve for x
    x = 4,397,619.01/2,350.55
  6. Step 6: Final answer
    x = 1,870.89

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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.