Home / 1,528.96-2,293.10-707.12

Finding the Fourth Proportional to 1,528.96, 2,293.10 and 707.12

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Solution

The fourth proportional to 1,528.96, 2,293.10 and 707.12 is: 1,060.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.96 : 2,293.10 = 707.12 : x
  2. Step 2: Convert to fraction form
    1,528.96/2,293.10 = 707.12/x
  3. Step 3: Cross multiply
    1,528.96x = 2,293.10 × 707.12
  4. Step 4: Simplify right side
    1,528.96x = 1,621,496.87
  5. Step 5: Solve for x
    x = 1,621,496.87/1,528.96
  6. Step 6: Final answer
    x = 1,060.52

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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.