Home / 1,923.18-2,656.71-1,529.70

Finding the Fourth Proportional to 1,923.18, 2,656.71 and 1,529.70

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Solution

The fourth proportional to 1,923.18, 2,656.71 and 1,529.70 is: 2,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.18 : 2,656.71 = 1,529.70 : x
  2. Step 2: Convert to fraction form
    1,923.18/2,656.71 = 1,529.70/x
  3. Step 3: Cross multiply
    1,923.18x = 2,656.71 × 1,529.70
  4. Step 4: Simplify right side
    1,923.18x = 4,063,969.29
  5. Step 5: Solve for x
    x = 4,063,969.29/1,923.18
  6. Step 6: Final answer
    x = 2,113.15

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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.