Home / 1,406.10-1,941.14-1,090.66

Finding the Fourth Proportional to 1,406.10, 1,941.14 and 1,090.66

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Solution

The fourth proportional to 1,406.10, 1,941.14 and 1,090.66 is: 1,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.10 : 1,941.14 = 1,090.66 : x
  2. Step 2: Convert to fraction form
    1,406.10/1,941.14 = 1,090.66/x
  3. Step 3: Cross multiply
    1,406.10x = 1,941.14 × 1,090.66
  4. Step 4: Simplify right side
    1,406.10x = 2,117,123.75
  5. Step 5: Solve for x
    x = 2,117,123.75/1,406.10
  6. Step 6: Final answer
    x = 1,505.67

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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.