Home / 2,647.02-3,970.47-1,558.29

Finding the Fourth Proportional to 2,647.02, 3,970.47 and 1,558.29

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Solution

The fourth proportional to 2,647.02, 3,970.47 and 1,558.29 is: 2,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.02 : 3,970.47 = 1,558.29 : x
  2. Step 2: Convert to fraction form
    2,647.02/3,970.47 = 1,558.29/x
  3. Step 3: Cross multiply
    2,647.02x = 3,970.47 × 1,558.29
  4. Step 4: Simplify right side
    2,647.02x = 6,187,143.70
  5. Step 5: Solve for x
    x = 6,187,143.70/2,647.02
  6. Step 6: Final answer
    x = 2,337.40

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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.