Home / 1,535.81-2,304.89-1,126.02

Finding the Fourth Proportional to 1,535.81, 2,304.89 and 1,126.02

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Solution

The fourth proportional to 1,535.81, 2,304.89 and 1,126.02 is: 1,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.81 : 2,304.89 = 1,126.02 : x
  2. Step 2: Convert to fraction form
    1,535.81/2,304.89 = 1,126.02/x
  3. Step 3: Cross multiply
    1,535.81x = 2,304.89 × 1,126.02
  4. Step 4: Simplify right side
    1,535.81x = 2,595,346.61
  5. Step 5: Solve for x
    x = 2,595,346.61/1,535.81
  6. Step 6: Final answer
    x = 1,689.89

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1.5x scale

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.