Home / 1,528.41-2,293.02-1,009.40

Finding the Fourth Proportional to 1,528.41, 2,293.02 and 1,009.40

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Solution

The fourth proportional to 1,528.41, 2,293.02 and 1,009.40 is: 1,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.41 : 2,293.02 = 1,009.40 : x
  2. Step 2: Convert to fraction form
    1,528.41/2,293.02 = 1,009.40/x
  3. Step 3: Cross multiply
    1,528.41x = 2,293.02 × 1,009.40
  4. Step 4: Simplify right side
    1,528.41x = 2,314,580.12
  5. Step 5: Solve for x
    x = 2,314,580.12/1,528.41
  6. Step 6: Final answer
    x = 1,514.37

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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.