Home / 1,354.02-2,035.86-1,247.10

Finding the Fourth Proportional to 1,354.02, 2,035.86 and 1,247.10

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Solution

The fourth proportional to 1,354.02, 2,035.86 and 1,247.10 is: 1,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.02 : 2,035.86 = 1,247.10 : x
  2. Step 2: Convert to fraction form
    1,354.02/2,035.86 = 1,247.10/x
  3. Step 3: Cross multiply
    1,354.02x = 2,035.86 × 1,247.10
  4. Step 4: Simplify right side
    1,354.02x = 2,538,921.01
  5. Step 5: Solve for x
    x = 2,538,921.01/1,354.02
  6. Step 6: Final answer
    x = 1,875.10

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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.