Home / 1,812.61-2,501.43-1,066.59

Finding the Fourth Proportional to 1,812.61, 2,501.43 and 1,066.59

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Solution

The fourth proportional to 1,812.61, 2,501.43 and 1,066.59 is: 1,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.61 : 2,501.43 = 1,066.59 : x
  2. Step 2: Convert to fraction form
    1,812.61/2,501.43 = 1,066.59/x
  3. Step 3: Cross multiply
    1,812.61x = 2,501.43 × 1,066.59
  4. Step 4: Simplify right side
    1,812.61x = 2,668,000.22
  5. Step 5: Solve for x
    x = 2,668,000.22/1,812.61
  6. Step 6: Final answer
    x = 1,471.91

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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.