Home / 1,534.40-2,298.90-1,260.08

Finding the Fourth Proportional to 1,534.40, 2,298.90 and 1,260.08

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Solution

The fourth proportional to 1,534.40, 2,298.90 and 1,260.08 is: 1,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.40 : 2,298.90 = 1,260.08 : x
  2. Step 2: Convert to fraction form
    1,534.40/2,298.90 = 1,260.08/x
  3. Step 3: Cross multiply
    1,534.40x = 2,298.90 × 1,260.08
  4. Step 4: Simplify right side
    1,534.40x = 2,896,797.91
  5. Step 5: Solve for x
    x = 2,896,797.91/1,534.40
  6. Step 6: Final answer
    x = 1,887.90

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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.