Home / 1,457.02-2,009.59-1,014.70

Finding the Fourth Proportional to 1,457.02, 2,009.59 and 1,014.70

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Solution

The fourth proportional to 1,457.02, 2,009.59 and 1,014.70 is: 1,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.02 : 2,009.59 = 1,014.70 : x
  2. Step 2: Convert to fraction form
    1,457.02/2,009.59 = 1,014.70/x
  3. Step 3: Cross multiply
    1,457.02x = 2,009.59 × 1,014.70
  4. Step 4: Simplify right side
    1,457.02x = 2,039,130.97
  5. Step 5: Solve for x
    x = 2,039,130.97/1,457.02
  6. Step 6: Final answer
    x = 1,399.52

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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.