Home / 2,235.80-3,088.41-1,718.30

Finding the Fourth Proportional to 2,235.80, 3,088.41 and 1,718.30

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Solution

The fourth proportional to 2,235.80, 3,088.41 and 1,718.30 is: 2,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.80 : 3,088.41 = 1,718.30 : x
  2. Step 2: Convert to fraction form
    2,235.80/3,088.41 = 1,718.30/x
  3. Step 3: Cross multiply
    2,235.80x = 3,088.41 × 1,718.30
  4. Step 4: Simplify right side
    2,235.80x = 5,306,814.90
  5. Step 5: Solve for x
    x = 5,306,814.90/2,235.80
  6. Step 6: Final answer
    x = 2,373.56

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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.