Home / 1,742.03-2,612.45-701.76

Finding the Fourth Proportional to 1,742.03, 2,612.45 and 701.76

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Solution

The fourth proportional to 1,742.03, 2,612.45 and 701.76 is: 1,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.03 : 2,612.45 = 701.76 : x
  2. Step 2: Convert to fraction form
    1,742.03/2,612.45 = 701.76/x
  3. Step 3: Cross multiply
    1,742.03x = 2,612.45 × 701.76
  4. Step 4: Simplify right side
    1,742.03x = 1,833,311.16
  5. Step 5: Solve for x
    x = 1,833,311.16/1,742.03
  6. Step 6: Final answer
    x = 1,052.40

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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.