Home / 2,288.35-3,157.88-1,502.35

Finding the Fourth Proportional to 2,288.35, 3,157.88 and 1,502.35

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Solution

The fourth proportional to 2,288.35, 3,157.88 and 1,502.35 is: 2,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.35 : 3,157.88 = 1,502.35 : x
  2. Step 2: Convert to fraction form
    2,288.35/3,157.88 = 1,502.35/x
  3. Step 3: Cross multiply
    2,288.35x = 3,157.88 × 1,502.35
  4. Step 4: Simplify right side
    2,288.35x = 4,744,225.61
  5. Step 5: Solve for x
    x = 4,744,225.61/2,288.35
  6. Step 6: Final answer
    x = 2,073.21

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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.