Home / 1,493.45-2,061.65-934.25

Finding the Fourth Proportional to 1,493.45, 2,061.65 and 934.25

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Solution

The fourth proportional to 1,493.45, 2,061.65 and 934.25 is: 1,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.45 : 2,061.65 = 934.25 : x
  2. Step 2: Convert to fraction form
    1,493.45/2,061.65 = 934.25/x
  3. Step 3: Cross multiply
    1,493.45x = 2,061.65 × 934.25
  4. Step 4: Simplify right side
    1,493.45x = 1,926,081.53
  5. Step 5: Solve for x
    x = 1,926,081.53/1,493.45
  6. Step 6: Final answer
    x = 1,289.69

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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.