Home / 1,569.02-2,353.53-543.10

Finding the Fourth Proportional to 1,569.02, 2,353.53 and 543.10

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Solution

The fourth proportional to 1,569.02, 2,353.53 and 543.10 is: 814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.02 : 2,353.53 = 543.10 : x
  2. Step 2: Convert to fraction form
    1,569.02/2,353.53 = 543.10/x
  3. Step 3: Cross multiply
    1,569.02x = 2,353.53 × 543.10
  4. Step 4: Simplify right side
    1,569.02x = 1,278,202.14
  5. Step 5: Solve for x
    x = 1,278,202.14/1,569.02
  6. Step 6: Final answer
    x = 814.65

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1.5x scale

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.