Home / 1,822.70-2,515.75-1,066.83

Finding the Fourth Proportional to 1,822.70, 2,515.75 and 1,066.83

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Solution

The fourth proportional to 1,822.70, 2,515.75 and 1,066.83 is: 1,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.70 : 2,515.75 = 1,066.83 : x
  2. Step 2: Convert to fraction form
    1,822.70/2,515.75 = 1,066.83/x
  3. Step 3: Cross multiply
    1,822.70x = 2,515.75 × 1,066.83
  4. Step 4: Simplify right side
    1,822.70x = 2,683,877.57
  5. Step 5: Solve for x
    x = 2,683,877.57/1,822.70
  6. Step 6: Final answer
    x = 1,472.47

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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.