Home / 1,684.40-2,511.74-1,567.55

Finding the Fourth Proportional to 1,684.40, 2,511.74 and 1,567.55

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Solution

The fourth proportional to 1,684.40, 2,511.74 and 1,567.55 is: 2,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.40 : 2,511.74 = 1,567.55 : x
  2. Step 2: Convert to fraction form
    1,684.40/2,511.74 = 1,567.55/x
  3. Step 3: Cross multiply
    1,684.40x = 2,511.74 × 1,567.55
  4. Step 4: Simplify right side
    1,684.40x = 3,937,288.24
  5. Step 5: Solve for x
    x = 3,937,288.24/1,684.40
  6. Step 6: Final answer
    x = 2,337.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.