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Finding the Fourth Proportional to 1,754.67, 2,421.50 and 1,008.76

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Solution

The fourth proportional to 1,754.67, 2,421.50 and 1,008.76 is: 1,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.67 : 2,421.50 = 1,008.76 : x
  2. Step 2: Convert to fraction form
    1,754.67/2,421.50 = 1,008.76/x
  3. Step 3: Cross multiply
    1,754.67x = 2,421.50 × 1,008.76
  4. Step 4: Simplify right side
    1,754.67x = 2,442,712.34
  5. Step 5: Solve for x
    x = 2,442,712.34/1,754.67
  6. Step 6: Final answer
    x = 1,392.12

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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.