Home / 1,808.07-2,495.10-1,011.41

Finding the Fourth Proportional to 1,808.07, 2,495.10 and 1,011.41

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Solution

The fourth proportional to 1,808.07, 2,495.10 and 1,011.41 is: 1,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.07 : 2,495.10 = 1,011.41 : x
  2. Step 2: Convert to fraction form
    1,808.07/2,495.10 = 1,011.41/x
  3. Step 3: Cross multiply
    1,808.07x = 2,495.10 × 1,011.41
  4. Step 4: Simplify right side
    1,808.07x = 2,523,569.09
  5. Step 5: Solve for x
    x = 2,523,569.09/1,808.07
  6. Step 6: Final answer
    x = 1,395.73

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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.