Home / 1,528.31-2,292.47-374.06

Finding the Fourth Proportional to 1,528.31, 2,292.47 and 374.06

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Solution

The fourth proportional to 1,528.31, 2,292.47 and 374.06 is: 561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.31 : 2,292.47 = 374.06 : x
  2. Step 2: Convert to fraction form
    1,528.31/2,292.47 = 374.06/x
  3. Step 3: Cross multiply
    1,528.31x = 2,292.47 × 374.06
  4. Step 4: Simplify right side
    1,528.31x = 857,526.59
  5. Step 5: Solve for x
    x = 857,526.59/1,528.31
  6. Step 6: Final answer
    x = 561.09

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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.