Home / 1,495.04-2,242.80-629.40

Finding the Fourth Proportional to 1,495.04, 2,242.80 and 629.40

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Solution

The fourth proportional to 1,495.04, 2,242.80 and 629.40 is: 944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.04 : 2,242.80 = 629.40 : x
  2. Step 2: Convert to fraction form
    1,495.04/2,242.80 = 629.40/x
  3. Step 3: Cross multiply
    1,495.04x = 2,242.80 × 629.40
  4. Step 4: Simplify right side
    1,495.04x = 1,411,618.32
  5. Step 5: Solve for x
    x = 1,411,618.32/1,495.04
  6. Step 6: Final answer
    x = 944.20

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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.