Home / 1,612.39-2,225.46-1,051.87

Finding the Fourth Proportional to 1,612.39, 2,225.46 and 1,051.87

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Solution

The fourth proportional to 1,612.39, 2,225.46 and 1,051.87 is: 1,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.39 : 2,225.46 = 1,051.87 : x
  2. Step 2: Convert to fraction form
    1,612.39/2,225.46 = 1,051.87/x
  3. Step 3: Cross multiply
    1,612.39x = 2,225.46 × 1,051.87
  4. Step 4: Simplify right side
    1,612.39x = 2,340,894.61
  5. Step 5: Solve for x
    x = 2,340,894.61/1,612.39
  6. Step 6: Final answer
    x = 1,451.82

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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.