Home / 2,210.34-3,049.49-1,370.18

Finding the Fourth Proportional to 2,210.34, 3,049.49 and 1,370.18

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Solution

The fourth proportional to 2,210.34, 3,049.49 and 1,370.18 is: 1,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.34 : 3,049.49 = 1,370.18 : x
  2. Step 2: Convert to fraction form
    2,210.34/3,049.49 = 1,370.18/x
  3. Step 3: Cross multiply
    2,210.34x = 3,049.49 × 1,370.18
  4. Step 4: Simplify right side
    2,210.34x = 4,178,328.11
  5. Step 5: Solve for x
    x = 4,178,328.11/2,210.34
  6. Step 6: Final answer
    x = 1,890.36

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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.