Home / 1,507.26-2,076.12-1,064.40

Finding the Fourth Proportional to 1,507.26, 2,076.12 and 1,064.40

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Solution

The fourth proportional to 1,507.26, 2,076.12 and 1,064.40 is: 1,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.26 : 2,076.12 = 1,064.40 : x
  2. Step 2: Convert to fraction form
    1,507.26/2,076.12 = 1,064.40/x
  3. Step 3: Cross multiply
    1,507.26x = 2,076.12 × 1,064.40
  4. Step 4: Simplify right side
    1,507.26x = 2,209,822.13
  5. Step 5: Solve for x
    x = 2,209,822.13/1,507.26
  6. Step 6: Final answer
    x = 1,466.12

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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.