Home / 2,312.70-3,451.24-1,848.30

Finding the Fourth Proportional to 2,312.70, 3,451.24 and 1,848.30

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Solution

The fourth proportional to 2,312.70, 3,451.24 and 1,848.30 is: 2,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.70 : 3,451.24 = 1,848.30 : x
  2. Step 2: Convert to fraction form
    2,312.70/3,451.24 = 1,848.30/x
  3. Step 3: Cross multiply
    2,312.70x = 3,451.24 × 1,848.30
  4. Step 4: Simplify right side
    2,312.70x = 6,378,926.89
  5. Step 5: Solve for x
    x = 6,378,926.89/2,312.70
  6. Step 6: Final answer
    x = 2,758.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.