Home / 1,347.36-1,851.46-1,098.14

Finding the Fourth Proportional to 1,347.36, 1,851.46 and 1,098.14

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Solution

The fourth proportional to 1,347.36, 1,851.46 and 1,098.14 is: 1,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.36 : 1,851.46 = 1,098.14 : x
  2. Step 2: Convert to fraction form
    1,347.36/1,851.46 = 1,098.14/x
  3. Step 3: Cross multiply
    1,347.36x = 1,851.46 × 1,098.14
  4. Step 4: Simplify right side
    1,347.36x = 2,033,162.28
  5. Step 5: Solve for x
    x = 2,033,162.28/1,347.36
  6. Step 6: Final answer
    x = 1,509.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.