Home / 1,563.50-2,158.27-1,066.66

Finding the Fourth Proportional to 1,563.50, 2,158.27 and 1,066.66

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Solution

The fourth proportional to 1,563.50, 2,158.27 and 1,066.66 is: 1,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.50 : 2,158.27 = 1,066.66 : x
  2. Step 2: Convert to fraction form
    1,563.50/2,158.27 = 1,066.66/x
  3. Step 3: Cross multiply
    1,563.50x = 2,158.27 × 1,066.66
  4. Step 4: Simplify right side
    1,563.50x = 2,302,132.22
  5. Step 5: Solve for x
    x = 2,302,132.22/1,563.50
  6. Step 6: Final answer
    x = 1,472.42

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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.