Home / 1,764.85-2,435.10-1,066.21

Finding the Fourth Proportional to 1,764.85, 2,435.10 and 1,066.21

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Solution

The fourth proportional to 1,764.85, 2,435.10 and 1,066.21 is: 1,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.85 : 2,435.10 = 1,066.21 : x
  2. Step 2: Convert to fraction form
    1,764.85/2,435.10 = 1,066.21/x
  3. Step 3: Cross multiply
    1,764.85x = 2,435.10 × 1,066.21
  4. Step 4: Simplify right side
    1,764.85x = 2,596,327.97
  5. Step 5: Solve for x
    x = 2,596,327.97/1,764.85
  6. Step 6: Final answer
    x = 1,471.13

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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.