Home / 1,601.03-2,207.85-1,011.35

Finding the Fourth Proportional to 1,601.03, 2,207.85 and 1,011.35

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Solution

The fourth proportional to 1,601.03, 2,207.85 and 1,011.35 is: 1,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.03 : 2,207.85 = 1,011.35 : x
  2. Step 2: Convert to fraction form
    1,601.03/2,207.85 = 1,011.35/x
  3. Step 3: Cross multiply
    1,601.03x = 2,207.85 × 1,011.35
  4. Step 4: Simplify right side
    1,601.03x = 2,232,909.10
  5. Step 5: Solve for x
    x = 2,232,909.10/1,601.03
  6. Step 6: Final answer
    x = 1,394.67

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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.