Home / 1,758.53-2,426.93-972.73

Finding the Fourth Proportional to 1,758.53, 2,426.93 and 972.73

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Solution

The fourth proportional to 1,758.53, 2,426.93 and 972.73 is: 1,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.53 : 2,426.93 = 972.73 : x
  2. Step 2: Convert to fraction form
    1,758.53/2,426.93 = 972.73/x
  3. Step 3: Cross multiply
    1,758.53x = 2,426.93 × 972.73
  4. Step 4: Simplify right side
    1,758.53x = 2,360,747.62
  5. Step 5: Solve for x
    x = 2,360,747.62/1,758.53
  6. Step 6: Final answer
    x = 1,342.46

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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.