Home / 1,558.82-2,151.69-1,034.75

Finding the Fourth Proportional to 1,558.82, 2,151.69 and 1,034.75

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Solution

The fourth proportional to 1,558.82, 2,151.69 and 1,034.75 is: 1,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.82 : 2,151.69 = 1,034.75 : x
  2. Step 2: Convert to fraction form
    1,558.82/2,151.69 = 1,034.75/x
  3. Step 3: Cross multiply
    1,558.82x = 2,151.69 × 1,034.75
  4. Step 4: Simplify right side
    1,558.82x = 2,226,461.23
  5. Step 5: Solve for x
    x = 2,226,461.23/1,558.82
  6. Step 6: Final answer
    x = 1,428.30

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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.