Home / 1,547.60-2,316.40-1,136.68

Finding the Fourth Proportional to 1,547.60, 2,316.40 and 1,136.68

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Solution

The fourth proportional to 1,547.60, 2,316.40 and 1,136.68 is: 1,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.60 : 2,316.40 = 1,136.68 : x
  2. Step 2: Convert to fraction form
    1,547.60/2,316.40 = 1,136.68/x
  3. Step 3: Cross multiply
    1,547.60x = 2,316.40 × 1,136.68
  4. Step 4: Simplify right side
    1,547.60x = 2,633,005.55
  5. Step 5: Solve for x
    x = 2,633,005.55/1,547.60
  6. Step 6: Final answer
    x = 1,701.35

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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.