Home / 1,507.51-2,077.54-1,175.41

Finding the Fourth Proportional to 1,507.51, 2,077.54 and 1,175.41

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Solution

The fourth proportional to 1,507.51, 2,077.54 and 1,175.41 is: 1,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.51 : 2,077.54 = 1,175.41 : x
  2. Step 2: Convert to fraction form
    1,507.51/2,077.54 = 1,175.41/x
  3. Step 3: Cross multiply
    1,507.51x = 2,077.54 × 1,175.41
  4. Step 4: Simplify right side
    1,507.51x = 2,441,961.29
  5. Step 5: Solve for x
    x = 2,441,961.29/1,507.51
  6. Step 6: Final answer
    x = 1,619.86

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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.