Home / 1,526.12-2,276.85-1,296.68

Finding the Fourth Proportional to 1,526.12, 2,276.85 and 1,296.68

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Solution

The fourth proportional to 1,526.12, 2,276.85 and 1,296.68 is: 1,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.12 : 2,276.85 = 1,296.68 : x
  2. Step 2: Convert to fraction form
    1,526.12/2,276.85 = 1,296.68/x
  3. Step 3: Cross multiply
    1,526.12x = 2,276.85 × 1,296.68
  4. Step 4: Simplify right side
    1,526.12x = 2,952,345.86
  5. Step 5: Solve for x
    x = 2,952,345.86/1,526.12
  6. Step 6: Final answer
    x = 1,934.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.