Home / 1,130.04-1,559.38-632.57

Finding the Fourth Proportional to 1,130.04, 1,559.38 and 632.57

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Solution

The fourth proportional to 1,130.04, 1,559.38 and 632.57 is: 872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.04 : 1,559.38 = 632.57 : x
  2. Step 2: Convert to fraction form
    1,130.04/1,559.38 = 632.57/x
  3. Step 3: Cross multiply
    1,130.04x = 1,559.38 × 632.57
  4. Step 4: Simplify right side
    1,130.04x = 986,406.05
  5. Step 5: Solve for x
    x = 986,406.05/1,130.04
  6. Step 6: Final answer
    x = 872.89

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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.