Home / 1,444.16-1,990.40-1,023.68

Finding the Fourth Proportional to 1,444.16, 1,990.40 and 1,023.68

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Solution

The fourth proportional to 1,444.16, 1,990.40 and 1,023.68 is: 1,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.16 : 1,990.40 = 1,023.68 : x
  2. Step 2: Convert to fraction form
    1,444.16/1,990.40 = 1,023.68/x
  3. Step 3: Cross multiply
    1,444.16x = 1,990.40 × 1,023.68
  4. Step 4: Simplify right side
    1,444.16x = 2,037,532.67
  5. Step 5: Solve for x
    x = 2,037,532.67/1,444.16
  6. Step 6: Final answer
    x = 1,410.88

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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.