Home / 1,457.32-2,186.03-579.99

Finding the Fourth Proportional to 1,457.32, 2,186.03 and 579.99

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Solution

The fourth proportional to 1,457.32, 2,186.03 and 579.99 is: 870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.32 : 2,186.03 = 579.99 : x
  2. Step 2: Convert to fraction form
    1,457.32/2,186.03 = 579.99/x
  3. Step 3: Cross multiply
    1,457.32x = 2,186.03 × 579.99
  4. Step 4: Simplify right side
    1,457.32x = 1,267,875.54
  5. Step 5: Solve for x
    x = 1,267,875.54/1,457.32
  6. Step 6: Final answer
    x = 870.00

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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.