Home / 2,962.08-4,088.10-1,783.80

Finding the Fourth Proportional to 2,962.08, 4,088.10 and 1,783.80

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Solution

The fourth proportional to 2,962.08, 4,088.10 and 1,783.80 is: 2,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.08 : 4,088.10 = 1,783.80 : x
  2. Step 2: Convert to fraction form
    2,962.08/4,088.10 = 1,783.80/x
  3. Step 3: Cross multiply
    2,962.08x = 4,088.10 × 1,783.80
  4. Step 4: Simplify right side
    2,962.08x = 7,292,352.78
  5. Step 5: Solve for x
    x = 7,292,352.78/2,962.08
  6. Step 6: Final answer
    x = 2,461.90

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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.