Home / 1,923.95-2,886.84-999.02

Finding the Fourth Proportional to 1,923.95, 2,886.84 and 999.02

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Solution

The fourth proportional to 1,923.95, 2,886.84 and 999.02 is: 1,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.95 : 2,886.84 = 999.02 : x
  2. Step 2: Convert to fraction form
    1,923.95/2,886.84 = 999.02/x
  3. Step 3: Cross multiply
    1,923.95x = 2,886.84 × 999.02
  4. Step 4: Simplify right side
    1,923.95x = 2,884,001.88
  5. Step 5: Solve for x
    x = 2,884,001.88/1,923.95
  6. Step 6: Final answer
    x = 1,499.00

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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.