Home / 1,528.34-2,292.48-374.09

Finding the Fourth Proportional to 1,528.34, 2,292.48 and 374.09

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Solution

The fourth proportional to 1,528.34, 2,292.48 and 374.09 is: 561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.34 : 2,292.48 = 374.09 : x
  2. Step 2: Convert to fraction form
    1,528.34/2,292.48 = 374.09/x
  3. Step 3: Cross multiply
    1,528.34x = 2,292.48 × 374.09
  4. Step 4: Simplify right side
    1,528.34x = 857,582.38
  5. Step 5: Solve for x
    x = 857,582.38/1,528.34
  6. Step 6: Final answer
    x = 561.12

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Double scale
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Similar ratio
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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.