Home / 1,887.04-2,603.94-1,141.12

Finding the Fourth Proportional to 1,887.04, 2,603.94 and 1,141.12

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Solution

The fourth proportional to 1,887.04, 2,603.94 and 1,141.12 is: 1,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.04 : 2,603.94 = 1,141.12 : x
  2. Step 2: Convert to fraction form
    1,887.04/2,603.94 = 1,141.12/x
  3. Step 3: Cross multiply
    1,887.04x = 2,603.94 × 1,141.12
  4. Step 4: Simplify right side
    1,887.04x = 2,971,408.01
  5. Step 5: Solve for x
    x = 2,971,408.01/1,887.04
  6. Step 6: Final answer
    x = 1,574.64

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1.5x scale

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.