Home / 1,890.18-2,835.28-591.76

Finding the Fourth Proportional to 1,890.18, 2,835.28 and 591.76

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Solution

The fourth proportional to 1,890.18, 2,835.28 and 591.76 is: 887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.18 : 2,835.28 = 591.76 : x
  2. Step 2: Convert to fraction form
    1,890.18/2,835.28 = 591.76/x
  3. Step 3: Cross multiply
    1,890.18x = 2,835.28 × 591.76
  4. Step 4: Simplify right side
    1,890.18x = 1,677,805.29
  5. Step 5: Solve for x
    x = 1,677,805.29/1,890.18
  6. Step 6: Final answer
    x = 887.64

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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.