Home / 1,497.50-2,068.56-1,357.77

Finding the Fourth Proportional to 1,497.50, 2,068.56 and 1,357.77

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Solution

The fourth proportional to 1,497.50, 2,068.56 and 1,357.77 is: 1,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.50 : 2,068.56 = 1,357.77 : x
  2. Step 2: Convert to fraction form
    1,497.50/2,068.56 = 1,357.77/x
  3. Step 3: Cross multiply
    1,497.50x = 2,068.56 × 1,357.77
  4. Step 4: Simplify right side
    1,497.50x = 2,808,628.71
  5. Step 5: Solve for x
    x = 2,808,628.71/1,497.50
  6. Step 6: Final answer
    x = 1,875.55

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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.