Home / 1,539.24-2,298.14-1,308.24

Finding the Fourth Proportional to 1,539.24, 2,298.14 and 1,308.24

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Solution

The fourth proportional to 1,539.24, 2,298.14 and 1,308.24 is: 1,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.24 : 2,298.14 = 1,308.24 : x
  2. Step 2: Convert to fraction form
    1,539.24/2,298.14 = 1,308.24/x
  3. Step 3: Cross multiply
    1,539.24x = 2,298.14 × 1,308.24
  4. Step 4: Simplify right side
    1,539.24x = 3,006,512.13
  5. Step 5: Solve for x
    x = 3,006,512.13/1,539.24
  6. Step 6: Final answer
    x = 1,953.24

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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.