Home / 1,781.34-2,659.85-1,595.04

Finding the Fourth Proportional to 1,781.34, 2,659.85 and 1,595.04

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Solution

The fourth proportional to 1,781.34, 2,659.85 and 1,595.04 is: 2,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.34 : 2,659.85 = 1,595.04 : x
  2. Step 2: Convert to fraction form
    1,781.34/2,659.85 = 1,595.04/x
  3. Step 3: Cross multiply
    1,781.34x = 2,659.85 × 1,595.04
  4. Step 4: Simplify right side
    1,781.34x = 4,242,559.17
  5. Step 5: Solve for x
    x = 4,242,559.17/1,781.34
  6. Step 6: Final answer
    x = 2,381.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.