Home / 1,161.19-1,598.93-1,003.53

Finding the Fourth Proportional to 1,161.19, 1,598.93 and 1,003.53

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Solution

The fourth proportional to 1,161.19, 1,598.93 and 1,003.53 is: 1,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.19 : 1,598.93 = 1,003.53 : x
  2. Step 2: Convert to fraction form
    1,161.19/1,598.93 = 1,003.53/x
  3. Step 3: Cross multiply
    1,161.19x = 1,598.93 × 1,003.53
  4. Step 4: Simplify right side
    1,161.19x = 1,604,574.22
  5. Step 5: Solve for x
    x = 1,604,574.22/1,161.19
  6. Step 6: Final answer
    x = 1,381.84

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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.