Home / 1,923.50-2,885.26-555.50

Finding the Fourth Proportional to 1,923.50, 2,885.26 and 555.50

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Solution

The fourth proportional to 1,923.50, 2,885.26 and 555.50 is: 833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.50 : 2,885.26 = 555.50 : x
  2. Step 2: Convert to fraction form
    1,923.50/2,885.26 = 555.50/x
  3. Step 3: Cross multiply
    1,923.50x = 2,885.26 × 555.50
  4. Step 4: Simplify right side
    1,923.50x = 1,602,761.93
  5. Step 5: Solve for x
    x = 1,602,761.93/1,923.50
  6. Step 6: Final answer
    x = 833.25

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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.