Home / 2,303.07-3,178.23-1,255.13

Finding the Fourth Proportional to 2,303.07, 3,178.23 and 1,255.13

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Solution

The fourth proportional to 2,303.07, 3,178.23 and 1,255.13 is: 1,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.07 : 3,178.23 = 1,255.13 : x
  2. Step 2: Convert to fraction form
    2,303.07/3,178.23 = 1,255.13/x
  3. Step 3: Cross multiply
    2,303.07x = 3,178.23 × 1,255.13
  4. Step 4: Simplify right side
    2,303.07x = 3,989,075.93
  5. Step 5: Solve for x
    x = 3,989,075.93/2,303.07
  6. Step 6: Final answer
    x = 1,732.07

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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.