Home / 1,526.52-2,105.04-1,306.20

Finding the Fourth Proportional to 1,526.52, 2,105.04 and 1,306.20

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Solution

The fourth proportional to 1,526.52, 2,105.04 and 1,306.20 is: 1,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.52 : 2,105.04 = 1,306.20 : x
  2. Step 2: Convert to fraction form
    1,526.52/2,105.04 = 1,306.20/x
  3. Step 3: Cross multiply
    1,526.52x = 2,105.04 × 1,306.20
  4. Step 4: Simplify right side
    1,526.52x = 2,749,603.25
  5. Step 5: Solve for x
    x = 2,749,603.25/1,526.52
  6. Step 6: Final answer
    x = 1,801.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.