Home / 1,630.04-2,445.51-535.17

Finding the Fourth Proportional to 1,630.04, 2,445.51 and 535.17

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Solution

The fourth proportional to 1,630.04, 2,445.51 and 535.17 is: 802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.04 : 2,445.51 = 535.17 : x
  2. Step 2: Convert to fraction form
    1,630.04/2,445.51 = 535.17/x
  3. Step 3: Cross multiply
    1,630.04x = 2,445.51 × 535.17
  4. Step 4: Simplify right side
    1,630.04x = 1,308,760.91
  5. Step 5: Solve for x
    x = 1,308,760.91/1,630.04
  6. Step 6: Final answer
    x = 802.90

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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.