Home / 1,712.45-2,364.20-1,124.01

Finding the Fourth Proportional to 1,712.45, 2,364.20 and 1,124.01

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Solution

The fourth proportional to 1,712.45, 2,364.20 and 1,124.01 is: 1,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.45 : 2,364.20 = 1,124.01 : x
  2. Step 2: Convert to fraction form
    1,712.45/2,364.20 = 1,124.01/x
  3. Step 3: Cross multiply
    1,712.45x = 2,364.20 × 1,124.01
  4. Step 4: Simplify right side
    1,712.45x = 2,657,384.44
  5. Step 5: Solve for x
    x = 2,657,384.44/1,712.45
  6. Step 6: Final answer
    x = 1,551.80

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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.