Home / 2,840.24-4,259.28-1,359.02

Finding the Fourth Proportional to 2,840.24, 4,259.28 and 1,359.02

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Solution

The fourth proportional to 2,840.24, 4,259.28 and 1,359.02 is: 2,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.24 : 4,259.28 = 1,359.02 : x
  2. Step 2: Convert to fraction form
    2,840.24/4,259.28 = 1,359.02/x
  3. Step 3: Cross multiply
    2,840.24x = 4,259.28 × 1,359.02
  4. Step 4: Simplify right side
    2,840.24x = 5,788,446.71
  5. Step 5: Solve for x
    x = 5,788,446.71/2,840.24
  6. Step 6: Final answer
    x = 2,038.01

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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.