Home / 1,807.04-2,710.76-711.26

Finding the Fourth Proportional to 1,807.04, 2,710.76 and 711.26

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Solution

The fourth proportional to 1,807.04, 2,710.76 and 711.26 is: 1,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.04 : 2,710.76 = 711.26 : x
  2. Step 2: Convert to fraction form
    1,807.04/2,710.76 = 711.26/x
  3. Step 3: Cross multiply
    1,807.04x = 2,710.76 × 711.26
  4. Step 4: Simplify right side
    1,807.04x = 1,928,055.16
  5. Step 5: Solve for x
    x = 1,928,055.16/1,807.04
  6. Step 6: Final answer
    x = 1,066.97

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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.