Home / 2,350.02-3,242.79-1,405.63

Finding the Fourth Proportional to 2,350.02, 3,242.79 and 1,405.63

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Solution

The fourth proportional to 2,350.02, 3,242.79 and 1,405.63 is: 1,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.02 : 3,242.79 = 1,405.63 : x
  2. Step 2: Convert to fraction form
    2,350.02/3,242.79 = 1,405.63/x
  3. Step 3: Cross multiply
    2,350.02x = 3,242.79 × 1,405.63
  4. Step 4: Simplify right side
    2,350.02x = 4,558,146.69
  5. Step 5: Solve for x
    x = 4,558,146.69/2,350.02
  6. Step 6: Final answer
    x = 1,939.62

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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.