Home / 3,088.50-4,631.59-1,916.76

Finding the Fourth Proportional to 3,088.50, 4,631.59 and 1,916.76

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Solution

The fourth proportional to 3,088.50, 4,631.59 and 1,916.76 is: 2,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.50 : 4,631.59 = 1,916.76 : x
  2. Step 2: Convert to fraction form
    3,088.50/4,631.59 = 1,916.76/x
  3. Step 3: Cross multiply
    3,088.50x = 4,631.59 × 1,916.76
  4. Step 4: Simplify right side
    3,088.50x = 8,877,666.21
  5. Step 5: Solve for x
    x = 8,877,666.21/3,088.50
  6. Step 6: Final answer
    x = 2,874.43

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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.