Home / 1,848.62-2,551.50-1,258.74

Finding the Fourth Proportional to 1,848.62, 2,551.50 and 1,258.74

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Solution

The fourth proportional to 1,848.62, 2,551.50 and 1,258.74 is: 1,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.62 : 2,551.50 = 1,258.74 : x
  2. Step 2: Convert to fraction form
    1,848.62/2,551.50 = 1,258.74/x
  3. Step 3: Cross multiply
    1,848.62x = 2,551.50 × 1,258.74
  4. Step 4: Simplify right side
    1,848.62x = 3,211,675.11
  5. Step 5: Solve for x
    x = 3,211,675.11/1,848.62
  6. Step 6: Final answer
    x = 1,737.33

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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.