Home / 1,754.77-2,421.70-968.82

Finding the Fourth Proportional to 1,754.77, 2,421.70 and 968.82

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Solution

The fourth proportional to 1,754.77, 2,421.70 and 968.82 is: 1,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.77 : 2,421.70 = 968.82 : x
  2. Step 2: Convert to fraction form
    1,754.77/2,421.70 = 968.82/x
  3. Step 3: Cross multiply
    1,754.77x = 2,421.70 × 968.82
  4. Step 4: Simplify right side
    1,754.77x = 2,346,191.39
  5. Step 5: Solve for x
    x = 2,346,191.39/1,754.77
  6. Step 6: Final answer
    x = 1,337.04

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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.