Home / 1,461.10-2,189.16-882.76

Finding the Fourth Proportional to 1,461.10, 2,189.16 and 882.76

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Solution

The fourth proportional to 1,461.10, 2,189.16 and 882.76 is: 1,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.10 : 2,189.16 = 882.76 : x
  2. Step 2: Convert to fraction form
    1,461.10/2,189.16 = 882.76/x
  3. Step 3: Cross multiply
    1,461.10x = 2,189.16 × 882.76
  4. Step 4: Simplify right side
    1,461.10x = 1,932,502.88
  5. Step 5: Solve for x
    x = 1,932,502.88/1,461.10
  6. Step 6: Final answer
    x = 1,322.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.