Home / 1,887.01-2,603.54-1,130.47

Finding the Fourth Proportional to 1,887.01, 2,603.54 and 1,130.47

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Solution

The fourth proportional to 1,887.01, 2,603.54 and 1,130.47 is: 1,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.01 : 2,603.54 = 1,130.47 : x
  2. Step 2: Convert to fraction form
    1,887.01/2,603.54 = 1,130.47/x
  3. Step 3: Cross multiply
    1,887.01x = 2,603.54 × 1,130.47
  4. Step 4: Simplify right side
    1,887.01x = 2,943,223.86
  5. Step 5: Solve for x
    x = 2,943,223.86/1,887.01
  6. Step 6: Final answer
    x = 1,559.73

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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.