Home / 1,502.85-2,074.68-944.12

Finding the Fourth Proportional to 1,502.85, 2,074.68 and 944.12

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Solution

The fourth proportional to 1,502.85, 2,074.68 and 944.12 is: 1,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.85 : 2,074.68 = 944.12 : x
  2. Step 2: Convert to fraction form
    1,502.85/2,074.68 = 944.12/x
  3. Step 3: Cross multiply
    1,502.85x = 2,074.68 × 944.12
  4. Step 4: Simplify right side
    1,502.85x = 1,958,752.07
  5. Step 5: Solve for x
    x = 1,958,752.07/1,502.85
  6. Step 6: Final answer
    x = 1,303.36

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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.