Home / 1,528.47-2,293.52-1,165.46

Finding the Fourth Proportional to 1,528.47, 2,293.52 and 1,165.46

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Solution

The fourth proportional to 1,528.47, 2,293.52 and 1,165.46 is: 1,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.47 : 2,293.52 = 1,165.46 : x
  2. Step 2: Convert to fraction form
    1,528.47/2,293.52 = 1,165.46/x
  3. Step 3: Cross multiply
    1,528.47x = 2,293.52 × 1,165.46
  4. Step 4: Simplify right side
    1,528.47x = 2,672,988.52
  5. Step 5: Solve for x
    x = 2,672,988.52/1,528.47
  6. Step 6: Final answer
    x = 1,748.80

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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.