Home / 1,507.64-2,258.55-1,261.26

Finding the Fourth Proportional to 1,507.64, 2,258.55 and 1,261.26

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Solution

The fourth proportional to 1,507.64, 2,258.55 and 1,261.26 is: 1,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.64 : 2,258.55 = 1,261.26 : x
  2. Step 2: Convert to fraction form
    1,507.64/2,258.55 = 1,261.26/x
  3. Step 3: Cross multiply
    1,507.64x = 2,258.55 × 1,261.26
  4. Step 4: Simplify right side
    1,507.64x = 2,848,618.77
  5. Step 5: Solve for x
    x = 2,848,618.77/1,507.64
  6. Step 6: Final answer
    x = 1,889.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.