Home / 1,507.26-2,079.36-1,157.34

Finding the Fourth Proportional to 1,507.26, 2,079.36 and 1,157.34

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Solution

The fourth proportional to 1,507.26, 2,079.36 and 1,157.34 is: 1,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.26 : 2,079.36 = 1,157.34 : x
  2. Step 2: Convert to fraction form
    1,507.26/2,079.36 = 1,157.34/x
  3. Step 3: Cross multiply
    1,507.26x = 2,079.36 × 1,157.34
  4. Step 4: Simplify right side
    1,507.26x = 2,406,526.50
  5. Step 5: Solve for x
    x = 2,406,526.50/1,507.26
  6. Step 6: Final answer
    x = 1,596.62

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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.