Home / 1,756.28-2,634.43-975.91

Finding the Fourth Proportional to 1,756.28, 2,634.43 and 975.91

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Solution

The fourth proportional to 1,756.28, 2,634.43 and 975.91 is: 1,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.28 : 2,634.43 = 975.91 : x
  2. Step 2: Convert to fraction form
    1,756.28/2,634.43 = 975.91/x
  3. Step 3: Cross multiply
    1,756.28x = 2,634.43 × 975.91
  4. Step 4: Simplify right side
    1,756.28x = 2,570,969.51
  5. Step 5: Solve for x
    x = 2,570,969.51/1,756.28
  6. Step 6: Final answer
    x = 1,463.87

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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.