Home / 2,353.10-3,528.30-709.40

Finding the Fourth Proportional to 2,353.10, 3,528.30 and 709.40

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Solution

The fourth proportional to 2,353.10, 3,528.30 and 709.40 is: 1,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.10 : 3,528.30 = 709.40 : x
  2. Step 2: Convert to fraction form
    2,353.10/3,528.30 = 709.40/x
  3. Step 3: Cross multiply
    2,353.10x = 3,528.30 × 709.40
  4. Step 4: Simplify right side
    2,353.10x = 2,502,976.02
  5. Step 5: Solve for x
    x = 2,502,976.02/2,353.10
  6. Step 6: Final answer
    x = 1,063.69

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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.