Home / 1,491.51-2,056.10-1,335.99

Finding the Fourth Proportional to 1,491.51, 2,056.10 and 1,335.99

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Solution

The fourth proportional to 1,491.51, 2,056.10 and 1,335.99 is: 1,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.51 : 2,056.10 = 1,335.99 : x
  2. Step 2: Convert to fraction form
    1,491.51/2,056.10 = 1,335.99/x
  3. Step 3: Cross multiply
    1,491.51x = 2,056.10 × 1,335.99
  4. Step 4: Simplify right side
    1,491.51x = 2,746,922.36
  5. Step 5: Solve for x
    x = 2,746,922.36/1,491.51
  6. Step 6: Final answer
    x = 1,841.71

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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.