Home / 1,477.04-2,215.58-707.36

Finding the Fourth Proportional to 1,477.04, 2,215.58 and 707.36

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Solution

The fourth proportional to 1,477.04, 2,215.58 and 707.36 is: 1,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.04 : 2,215.58 = 707.36 : x
  2. Step 2: Convert to fraction form
    1,477.04/2,215.58 = 707.36/x
  3. Step 3: Cross multiply
    1,477.04x = 2,215.58 × 707.36
  4. Step 4: Simplify right side
    1,477.04x = 1,567,212.67
  5. Step 5: Solve for x
    x = 1,567,212.67/1,477.04
  6. Step 6: Final answer
    x = 1,061.05

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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.