Home / 1,526.55-2,106.81-1,277.43

Finding the Fourth Proportional to 1,526.55, 2,106.81 and 1,277.43

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Solution

The fourth proportional to 1,526.55, 2,106.81 and 1,277.43 is: 1,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.55 : 2,106.81 = 1,277.43 : x
  2. Step 2: Convert to fraction form
    1,526.55/2,106.81 = 1,277.43/x
  3. Step 3: Cross multiply
    1,526.55x = 2,106.81 × 1,277.43
  4. Step 4: Simplify right side
    1,526.55x = 2,691,302.30
  5. Step 5: Solve for x
    x = 2,691,302.30/1,526.55
  6. Step 6: Final answer
    x = 1,763.00

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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.