Home / 1,538.16-2,307.36-564.24

Finding the Fourth Proportional to 1,538.16, 2,307.36 and 564.24

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Solution

The fourth proportional to 1,538.16, 2,307.36 and 564.24 is: 846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.16 : 2,307.36 = 564.24 : x
  2. Step 2: Convert to fraction form
    1,538.16/2,307.36 = 564.24/x
  3. Step 3: Cross multiply
    1,538.16x = 2,307.36 × 564.24
  4. Step 4: Simplify right side
    1,538.16x = 1,301,904.81
  5. Step 5: Solve for x
    x = 1,301,904.81/1,538.16
  6. Step 6: Final answer
    x = 846.40

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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.