Home / 1,612.62-2,225.61-904.66

Finding the Fourth Proportional to 1,612.62, 2,225.61 and 904.66

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Solution

The fourth proportional to 1,612.62, 2,225.61 and 904.66 is: 1,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.62 : 2,225.61 = 904.66 : x
  2. Step 2: Convert to fraction form
    1,612.62/2,225.61 = 904.66/x
  3. Step 3: Cross multiply
    1,612.62x = 2,225.61 × 904.66
  4. Step 4: Simplify right side
    1,612.62x = 2,013,415.82
  5. Step 5: Solve for x
    x = 2,013,415.82/1,612.62
  6. Step 6: Final answer
    x = 1,248.54

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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.