Home / 1,547.29-2,299.86-1,506.39

Finding the Fourth Proportional to 1,547.29, 2,299.86 and 1,506.39

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Solution

The fourth proportional to 1,547.29, 2,299.86 and 1,506.39 is: 2,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.29 : 2,299.86 = 1,506.39 : x
  2. Step 2: Convert to fraction form
    1,547.29/2,299.86 = 1,506.39/x
  3. Step 3: Cross multiply
    1,547.29x = 2,299.86 × 1,506.39
  4. Step 4: Simplify right side
    1,547.29x = 3,464,486.11
  5. Step 5: Solve for x
    x = 3,464,486.11/1,547.29
  6. Step 6: Final answer
    x = 2,239.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.