Home / 1,524.40-2,106.12-1,407.76

Finding the Fourth Proportional to 1,524.40, 2,106.12 and 1,407.76

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Solution

The fourth proportional to 1,524.40, 2,106.12 and 1,407.76 is: 1,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.40 : 2,106.12 = 1,407.76 : x
  2. Step 2: Convert to fraction form
    1,524.40/2,106.12 = 1,407.76/x
  3. Step 3: Cross multiply
    1,524.40x = 2,106.12 × 1,407.76
  4. Step 4: Simplify right side
    1,524.40x = 2,964,911.49
  5. Step 5: Solve for x
    x = 2,964,911.49/1,524.40
  6. Step 6: Final answer
    x = 1,944.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.