Home / 2,587.10-3,880.70-944.87

Finding the Fourth Proportional to 2,587.10, 3,880.70 and 944.87

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Solution

The fourth proportional to 2,587.10, 3,880.70 and 944.87 is: 1,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.10 : 3,880.70 = 944.87 : x
  2. Step 2: Convert to fraction form
    2,587.10/3,880.70 = 944.87/x
  3. Step 3: Cross multiply
    2,587.10x = 3,880.70 × 944.87
  4. Step 4: Simplify right side
    2,587.10x = 3,666,732.88
  5. Step 5: Solve for x
    x = 3,666,732.88/2,587.10
  6. Step 6: Final answer
    x = 1,417.32

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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.