Home / 1,384.98-2,073.42-1,236.76

Finding the Fourth Proportional to 1,384.98, 2,073.42 and 1,236.76

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Solution

The fourth proportional to 1,384.98, 2,073.42 and 1,236.76 is: 1,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.98 : 2,073.42 = 1,236.76 : x
  2. Step 2: Convert to fraction form
    1,384.98/2,073.42 = 1,236.76/x
  3. Step 3: Cross multiply
    1,384.98x = 2,073.42 × 1,236.76
  4. Step 4: Simplify right side
    1,384.98x = 2,564,322.92
  5. Step 5: Solve for x
    x = 2,564,322.92/1,384.98
  6. Step 6: Final answer
    x = 1,851.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.