Home / 1,049.36-1,448.28-607.16

Finding the Fourth Proportional to 1,049.36, 1,448.28 and 607.16

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Solution

The fourth proportional to 1,049.36, 1,448.28 and 607.16 is: 837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.36 : 1,448.28 = 607.16 : x
  2. Step 2: Convert to fraction form
    1,049.36/1,448.28 = 607.16/x
  3. Step 3: Cross multiply
    1,049.36x = 1,448.28 × 607.16
  4. Step 4: Simplify right side
    1,049.36x = 879,341.31
  5. Step 5: Solve for x
    x = 879,341.31/1,049.36
  6. Step 6: Final answer
    x = 837.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.