Home / 1,903.69-2,627.19-1,157.53

Finding the Fourth Proportional to 1,903.69, 2,627.19 and 1,157.53

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Solution

The fourth proportional to 1,903.69, 2,627.19 and 1,157.53 is: 1,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.69 : 2,627.19 = 1,157.53 : x
  2. Step 2: Convert to fraction form
    1,903.69/2,627.19 = 1,157.53/x
  3. Step 3: Cross multiply
    1,903.69x = 2,627.19 × 1,157.53
  4. Step 4: Simplify right side
    1,903.69x = 3,041,051.24
  5. Step 5: Solve for x
    x = 3,041,051.24/1,903.69
  6. Step 6: Final answer
    x = 1,597.45

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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.