Home / 1,836.06-2,740.49-1,689.63

Finding the Fourth Proportional to 1,836.06, 2,740.49 and 1,689.63

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Solution

The fourth proportional to 1,836.06, 2,740.49 and 1,689.63 is: 2,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.06 : 2,740.49 = 1,689.63 : x
  2. Step 2: Convert to fraction form
    1,836.06/2,740.49 = 1,689.63/x
  3. Step 3: Cross multiply
    1,836.06x = 2,740.49 × 1,689.63
  4. Step 4: Simplify right side
    1,836.06x = 4,630,405.67
  5. Step 5: Solve for x
    x = 4,630,405.67/1,836.06
  6. Step 6: Final answer
    x = 2,521.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.