Home / 2,280.77-3,421.16-637.46

Finding the Fourth Proportional to 2,280.77, 3,421.16 and 637.46

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Solution

The fourth proportional to 2,280.77, 3,421.16 and 637.46 is: 956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.77 : 3,421.16 = 637.46 : x
  2. Step 2: Convert to fraction form
    2,280.77/3,421.16 = 637.46/x
  3. Step 3: Cross multiply
    2,280.77x = 3,421.16 × 637.46
  4. Step 4: Simplify right side
    2,280.77x = 2,180,852.65
  5. Step 5: Solve for x
    x = 2,180,852.65/2,280.77
  6. Step 6: Final answer
    x = 956.19

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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.