Home / 3,130.29-4,695.48-1,487.00

Finding the Fourth Proportional to 3,130.29, 4,695.48 and 1,487.00

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Solution

The fourth proportional to 3,130.29, 4,695.48 and 1,487.00 is: 2,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.29 : 4,695.48 = 1,487.00 : x
  2. Step 2: Convert to fraction form
    3,130.29/4,695.48 = 1,487.00/x
  3. Step 3: Cross multiply
    3,130.29x = 4,695.48 × 1,487.00
  4. Step 4: Simplify right side
    3,130.29x = 6,982,190.50
  5. Step 5: Solve for x
    x = 6,982,190.50/3,130.29
  6. Step 6: Final answer
    x = 2,230.53

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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.