Home / 2,491.64-3,434.67-2,048.76

Finding the Fourth Proportional to 2,491.64, 3,434.67 and 2,048.76

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Solution

The fourth proportional to 2,491.64, 3,434.67 and 2,048.76 is: 2,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.64 : 3,434.67 = 2,048.76 : x
  2. Step 2: Convert to fraction form
    2,491.64/3,434.67 = 2,048.76/x
  3. Step 3: Cross multiply
    2,491.64x = 3,434.67 × 2,048.76
  4. Step 4: Simplify right side
    2,491.64x = 7,036,814.51
  5. Step 5: Solve for x
    x = 7,036,814.51/2,491.64
  6. Step 6: Final answer
    x = 2,824.18

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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.