Home / 1,509.17-2,263.28-535.55

Finding the Fourth Proportional to 1,509.17, 2,263.28 and 535.55

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Solution

The fourth proportional to 1,509.17, 2,263.28 and 535.55 is: 803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.17 : 2,263.28 = 535.55 : x
  2. Step 2: Convert to fraction form
    1,509.17/2,263.28 = 535.55/x
  3. Step 3: Cross multiply
    1,509.17x = 2,263.28 × 535.55
  4. Step 4: Simplify right side
    1,509.17x = 1,212,085.61
  5. Step 5: Solve for x
    x = 1,212,085.61/1,509.17
  6. Step 6: Final answer
    x = 803.15

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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.