Home / 2,529.66-3,490.86-1,410.63

Finding the Fourth Proportional to 2,529.66, 3,490.86 and 1,410.63

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Solution

The fourth proportional to 2,529.66, 3,490.86 and 1,410.63 is: 1,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.66 : 3,490.86 = 1,410.63 : x
  2. Step 2: Convert to fraction form
    2,529.66/3,490.86 = 1,410.63/x
  3. Step 3: Cross multiply
    2,529.66x = 3,490.86 × 1,410.63
  4. Step 4: Simplify right side
    2,529.66x = 4,924,311.84
  5. Step 5: Solve for x
    x = 4,924,311.84/2,529.66
  6. Step 6: Final answer
    x = 1,946.63

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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.