Home / 1,501.78-2,248.44-1,135.42

Finding the Fourth Proportional to 1,501.78, 2,248.44 and 1,135.42

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Solution

The fourth proportional to 1,501.78, 2,248.44 and 1,135.42 is: 1,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.78 : 2,248.44 = 1,135.42 : x
  2. Step 2: Convert to fraction form
    1,501.78/2,248.44 = 1,135.42/x
  3. Step 3: Cross multiply
    1,501.78x = 2,248.44 × 1,135.42
  4. Step 4: Simplify right side
    1,501.78x = 2,552,923.74
  5. Step 5: Solve for x
    x = 2,552,923.74/1,501.78
  6. Step 6: Final answer
    x = 1,699.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.