Home / 1,557.96-2,342.07-1,443.84

Finding the Fourth Proportional to 1,557.96, 2,342.07 and 1,443.84

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Solution

The fourth proportional to 1,557.96, 2,342.07 and 1,443.84 is: 2,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.96 : 2,342.07 = 1,443.84 : x
  2. Step 2: Convert to fraction form
    1,557.96/2,342.07 = 1,443.84/x
  3. Step 3: Cross multiply
    1,557.96x = 2,342.07 × 1,443.84
  4. Step 4: Simplify right side
    1,557.96x = 3,381,574.35
  5. Step 5: Solve for x
    x = 3,381,574.35/1,557.96
  6. Step 6: Final answer
    x = 2,170.51

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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.