Home / 1,887.25-2,604.39-1,036.52

Finding the Fourth Proportional to 1,887.25, 2,604.39 and 1,036.52

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Solution

The fourth proportional to 1,887.25, 2,604.39 and 1,036.52 is: 1,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.25 : 2,604.39 = 1,036.52 : x
  2. Step 2: Convert to fraction form
    1,887.25/2,604.39 = 1,036.52/x
  3. Step 3: Cross multiply
    1,887.25x = 2,604.39 × 1,036.52
  4. Step 4: Simplify right side
    1,887.25x = 2,699,490.77
  5. Step 5: Solve for x
    x = 2,699,490.77/1,887.25
  6. Step 6: Final answer
    x = 1,430.38

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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.