Home / 2,424.80-3,346.08-1,376.88

Finding the Fourth Proportional to 2,424.80, 3,346.08 and 1,376.88

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Solution

The fourth proportional to 2,424.80, 3,346.08 and 1,376.88 is: 1,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.80 : 3,346.08 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    2,424.80/3,346.08 = 1,376.88/x
  3. Step 3: Cross multiply
    2,424.80x = 3,346.08 × 1,376.88
  4. Step 4: Simplify right side
    2,424.80x = 4,607,150.63
  5. Step 5: Solve for x
    x = 4,607,150.63/2,424.80
  6. Step 6: Final answer
    x = 1,900.01

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1.5x scale

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.