Home / 1,146.16-1,720.37-530.00

Finding the Fourth Proportional to 1,146.16, 1,720.37 and 530.00

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Solution

The fourth proportional to 1,146.16, 1,720.37 and 530.00 is: 795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.16 : 1,720.37 = 530.00 : x
  2. Step 2: Convert to fraction form
    1,146.16/1,720.37 = 530.00/x
  3. Step 3: Cross multiply
    1,146.16x = 1,720.37 × 530.00
  4. Step 4: Simplify right side
    1,146.16x = 911,795.27
  5. Step 5: Solve for x
    x = 911,795.27/1,146.16
  6. Step 6: Final answer
    x = 795.52

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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.