Home / 1,717.41-2,370.04-931.47

Finding the Fourth Proportional to 1,717.41, 2,370.04 and 931.47

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Solution

The fourth proportional to 1,717.41, 2,370.04 and 931.47 is: 1,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.41 : 2,370.04 = 931.47 : x
  2. Step 2: Convert to fraction form
    1,717.41/2,370.04 = 931.47/x
  3. Step 3: Cross multiply
    1,717.41x = 2,370.04 × 931.47
  4. Step 4: Simplify right side
    1,717.41x = 2,207,618.83
  5. Step 5: Solve for x
    x = 2,207,618.83/1,717.41
  6. Step 6: Final answer
    x = 1,285.44

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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.