Home / 1,528.27-2,293.01-554.45

Finding the Fourth Proportional to 1,528.27, 2,293.01 and 554.45

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Solution

The fourth proportional to 1,528.27, 2,293.01 and 554.45 is: 831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.27 : 2,293.01 = 554.45 : x
  2. Step 2: Convert to fraction form
    1,528.27/2,293.01 = 554.45/x
  3. Step 3: Cross multiply
    1,528.27x = 2,293.01 × 554.45
  4. Step 4: Simplify right side
    1,528.27x = 1,271,347.24
  5. Step 5: Solve for x
    x = 1,271,347.24/1,528.27
  6. Step 6: Final answer
    x = 831.89

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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.