Home / 2,182.90-3,011.51-1,343.35

Finding the Fourth Proportional to 2,182.90, 3,011.51 and 1,343.35

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Solution

The fourth proportional to 2,182.90, 3,011.51 and 1,343.35 is: 1,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.90 : 3,011.51 = 1,343.35 : x
  2. Step 2: Convert to fraction form
    2,182.90/3,011.51 = 1,343.35/x
  3. Step 3: Cross multiply
    2,182.90x = 3,011.51 × 1,343.35
  4. Step 4: Simplify right side
    2,182.90x = 4,045,502.75
  5. Step 5: Solve for x
    x = 4,045,502.75/2,182.90
  6. Step 6: Final answer
    x = 1,853.27

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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.