Home / 1,924.17-2,886.30-1,440.30

Finding the Fourth Proportional to 1,924.17, 2,886.30 and 1,440.30

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Solution

The fourth proportional to 1,924.17, 2,886.30 and 1,440.30 is: 2,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.17 : 2,886.30 = 1,440.30 : x
  2. Step 2: Convert to fraction form
    1,924.17/2,886.30 = 1,440.30/x
  3. Step 3: Cross multiply
    1,924.17x = 2,886.30 × 1,440.30
  4. Step 4: Simplify right side
    1,924.17x = 4,157,137.89
  5. Step 5: Solve for x
    x = 4,157,137.89/1,924.17
  6. Step 6: Final answer
    x = 2,160.48

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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.