Home / 1,885.40-2,827.96-586.76

Finding the Fourth Proportional to 1,885.40, 2,827.96 and 586.76

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Solution

The fourth proportional to 1,885.40, 2,827.96 and 586.76 is: 880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.40 : 2,827.96 = 586.76 : x
  2. Step 2: Convert to fraction form
    1,885.40/2,827.96 = 586.76/x
  3. Step 3: Cross multiply
    1,885.40x = 2,827.96 × 586.76
  4. Step 4: Simplify right side
    1,885.40x = 1,659,333.81
  5. Step 5: Solve for x
    x = 1,659,333.81/1,885.40
  6. Step 6: Final answer
    x = 880.10

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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.