Home / 2,880.48-4,312.65-1,559.49

Finding the Fourth Proportional to 2,880.48, 4,312.65 and 1,559.49

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Solution

The fourth proportional to 2,880.48, 4,312.65 and 1,559.49 is: 2,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.48 : 4,312.65 = 1,559.49 : x
  2. Step 2: Convert to fraction form
    2,880.48/4,312.65 = 1,559.49/x
  3. Step 3: Cross multiply
    2,880.48x = 4,312.65 × 1,559.49
  4. Step 4: Simplify right side
    2,880.48x = 6,725,534.55
  5. Step 5: Solve for x
    x = 6,725,534.55/2,880.48
  6. Step 6: Final answer
    x = 2,334.87

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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.