Home / 4,328.80-5,973.36-2,560.40

Finding the Fourth Proportional to 4,328.80, 5,973.36 and 2,560.40

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Solution

The fourth proportional to 4,328.80, 5,973.36 and 2,560.40 is: 3,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.80 : 5,973.36 = 2,560.40 : x
  2. Step 2: Convert to fraction form
    4,328.80/5,973.36 = 2,560.40/x
  3. Step 3: Cross multiply
    4,328.80x = 5,973.36 × 2,560.40
  4. Step 4: Simplify right side
    4,328.80x = 15,294,190.94
  5. Step 5: Solve for x
    x = 15,294,190.94/4,328.80
  6. Step 6: Final answer
    x = 3,533.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.